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Oscillation theorems for a second order sublinear ordinary differential equation. (English) Zbl 0488.34022


MSC:

34C10 Oscillation theory, zeros, disconjugacy and comparison theory for ordinary differential equations
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[1] S. Belohorec, Oscillatory solutions of certain nonlinear differential equations of the second order, Mat.-Fyz. Časopis Sloven. Akad. Vied. 11 (1961), 250-255. · Zbl 0108.09103
[2] Štefan Belohorec, Two remarks on the properties of solutions of a nonlinear differential equation, Acta Fac. Rerum Natur. Univ. Comenian. Math. 22 (1969), 19 – 26.
[3] G. J. Butler, Oscillation theorems for a nonlinear analogue of Hill’s equation, Quart. J. Math. Oxford Ser. (2) 27 (1976), no. 106, 159 – 171. · Zbl 0341.34018 · doi:10.1093/qmath/27.2.159
[4] G. J. Butler, Integral averages and the oscillation of second order ordinary differential equations, SIAM J. Math. Anal. 11 (1980), no. 1, 190 – 200. · Zbl 0424.34033 · doi:10.1137/0511017
[5] M. K. Grammatikopoulos, Oscillation theorems for second order ordinary differential inequalities and equations with alternating coefficients, An. Ştiinţ. Univ. ”Al. I. Cuza” Iaşi Secţ. I a Mat. (N.S.) 26 (1980), no. 1, 67 – 76. · Zbl 0442.34031
[6] I. V. Kamenev, Certain specifically nonlinear oscillation theorems, Mat. Zametki 10 (1971), 129 – 134 (Russian).
[7] James S. W. Wong, Oscillation theorems for second order nonlinear differential equations, Bull. Inst. Math. Acad. Sinica 3 (1975), no. 2, 283 – 309. · Zbl 0316.34035
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