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OpenAlex Citation Counts

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OpenAlex is a bibliographic catalogue of scientific papers, authors and institutions accessible in open access mode, named after the Library of Alexandria. It's citation coverage is excellent and I hope you will find utility in this listing of citing articles!

If you click the article title, you'll navigate to the article, as listed in CrossRef. If you click the Open Access links, you'll navigate to the "best Open Access location". Clicking the citation count will open this listing for that article. Lastly at the bottom of the page, you'll find basic pagination options.

Requested Article:

On Nonoscillatory Linear Differential Equations of Second Order
Philip Hartman
Proceedings of the American Mathematical Society (1977) Vol. 64, Iss. 2, pp. 251-251
Open Access | Times Cited: 143

Showing 1-25 of 143 citing articles:

Oscillation theorems for linear differential equations of second order
Ch. G. Philos
Archiv der Mathematik (1989) Vol. 53, Iss. 5, pp. 482-492
Closed Access | Times Cited: 386
An integral criterion for oscillation of linear differential equations of second order
I. V. Kamenev
Mathematical Notes (1978) Vol. 23, Iss. 2, pp. 136-138
Closed Access | Times Cited: 210
Global bifurcation from the eigenvalues of the p-Laplacian
Manuel del Pino, Raúl Manásevich
Journal of Differential Equations (1991) Vol. 92, Iss. 2, pp. 226-251
Closed Access | Times Cited: 178
Interval Criteria for Oscillation of Second-Order Linear Ordinary Differential Equations
Qingkai Kong
Journal of Mathematical Analysis and Applications (1999) Vol. 229, Iss. 1, pp. 258-270
Open Access | Times Cited: 154
Oscillation theorems for second order linear differential equations with damping
Ju Rang Yan
Proceedings of the American Mathematical Society (1986) Vol. 98, Iss. 2, pp. 276-282
Open Access | Times Cited: 126
On nonoscillatory linear differential equations of second order
Philip Hartman
Proceedings of the American Mathematical Society (1977) Vol. 64, Iss. 2, pp. 251-259
Open Access | Times Cited: 98
Classification of second order linear differential equations with respect to oscillation
D. Willett
Advances in Mathematics (1969) Vol. 3, Iss. 4, pp. 594-623
Open Access | Times Cited: 92
Oscillation Criteria for Second Order Nonlinear Delay Equations
Lynn Erbe
Canadian Mathematical Bulletin (1973) Vol. 16, Iss. 1, pp. 49-56
Open Access | Times Cited: 89
Oscillation and nonoscillation of solutions of second order linear differential equations with integrable coefficients
James S. W. Wong
Transactions of the American Mathematical Society (1969) Vol. 144, pp. 197-215
Open Access | Times Cited: 75
Integral Averages and the Oscillation of Second Order Ordinary Differential Equations
G. J. Butler
SIAM Journal on Mathematical Analysis (1980) Vol. 11, Iss. 1, pp. 190-200
Closed Access | Times Cited: 75
Oscillation criteria for second order self adjoint differential systems
Garret J. Etgen, James Pawlowski
Pacific Journal of Mathematics (1976) Vol. 66, Iss. 1, pp. 99-110
Open Access | Times Cited: 70
On Kamenev-Type Oscillation Theorems for Second-Order Differential Equations With Damping
James S. W. Wong
Journal of Mathematical Analysis and Applications (2001) Vol. 258, Iss. 1, pp. 244-257
Open Access | Times Cited: 92
Riccati techniques and discrete oscillations
Shaozhu Chen, Lynn Erbe
Journal of Mathematical Analysis and Applications (1989) Vol. 142, Iss. 2, pp. 468-487
Open Access | Times Cited: 70
Integral inequalities and second order linear oscillation
Man Kam Kwong, Anton Zettl
Journal of Differential Equations (1982) Vol. 45, Iss. 1, pp. 16-33
Closed Access | Times Cited: 65
An oscillation criterion for second-order linear differential equations
W. J. Coles
Proceedings of the American Mathematical Society (1968) Vol. 19, Iss. 3, pp. 755-759
Open Access | Times Cited: 49
Perturbations of the Half-Linear Euler Differential Equation
Á. Elbert, A. Schneider
Resultate der Mathematik (2000) Vol. 37, Iss. 1-2, pp. 56-83
Closed Access | Times Cited: 77
Interval oscillation criteria for second-order nonlinear differential equations with damping
Wan–Tong Li, Ravi P. Agarwal
Computers & Mathematics with Applications (2000) Vol. 40, Iss. 2-3, pp. 217-230
Open Access | Times Cited: 76
The effect of variable change on oscillation and disconjugacy criteria with applications to spectral theory and asymptotic theory
Calvin D. Ahlbrandt, Don Hinton, Roger T. Lewis
Journal of Mathematical Analysis and Applications (1981) Vol. 81, Iss. 1, pp. 234-277
Open Access | Times Cited: 54
Oscillation theorems for nonlinear second order differential equations with damped term
Cheh Chih Yeh
Proceedings of the American Mathematical Society (1982) Vol. 84, Iss. 3, pp. 397-402
Open Access | Times Cited: 53
Integral averaging techniques for the oscillation of second order nonlinear differential equations
Said R. Grace, B. S. Lalli
Journal of Mathematical Analysis and Applications (1990) Vol. 149, Iss. 1, pp. 277-311
Open Access | Times Cited: 52
On the asymptotic integration of nonlinear differential equations
Ravi P. Agarwal, Smaïl Djebali, Toufik Moussaoui, et al.
Journal of Computational and Applied Mathematics (2006) Vol. 202, Iss. 2, pp. 352-376
Open Access | Times Cited: 48
A technique for the detection of oscillation of second order ordinary differential equations
Vadím Komkov
Pacific Journal of Mathematics (1972) Vol. 42, Iss. 1, pp. 105-115
Open Access | Times Cited: 39
A second order nonlinear oscillation theorem
James S. W. Wong
Proceedings of the American Mathematical Society (1973) Vol. 40, Iss. 2, pp. 487-491
Open Access | Times Cited: 38
Some specifically nonlinear oscillation theorems
I. V. Kamenev
Mathematical Notes (1971) Vol. 10, Iss. 2, pp. 502-505
Closed Access | Times Cited: 35
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