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Grammatikopoulos, Myron K. ; Ladas, G. ; Sficas, Yiannis G.
Necessary and sufficient conditions for oscillation of delay equations with constant coefficients. (English). Czechoslovak Mathematical Journal, vol. 37 (1987), issue 2, pp. 262-270
MSC: 34K15, 34K25 | MR 882598 | Zbl 0634.34052 | DOI: 10.21136/CMJ.1987.102153
References:
[1] G. Ladas: Sharp conditions for oscillations caused by delays. Applicable Analysis 9 (1979), 93-98. DOI 10.1080/00036817908839256 | MR 0539534 | Zbl 0407.34055
[2] G. Ladas Y. G. Sficas, L P. Stavroulakis: Necessary and sufficient conditions for oscillations. Amer. Math. Monthly 90 (1983), 637-640. DOI 10.1080/00029890.1983.11971299 | MR 0719755
[3] M. I. Tramov: Conditions for oscillation of solutions of first order differential equations with a delayed argument. Izv. Vysš. Učebn. Zaved., Matematika 19, 3 (1975), 92-96 (Russian). MR 0380060
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