This article is cited in 7 papers

Ability of the solutions of a system of nonlinear differential equations to oscillate

J. D. Mirzov


Abstract: We prove sufficient conditions and also necessary and sufficient conditions for the proper solutions of the system
$$ u'_i=f_i(t,u_1,u_2)\quad(i=1,2). $$
to be able to oscillate.

UDC: 517.9

Received: 05.04.1973

 English version: Mathematical Notes, 1974, 16:4, 932–935

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