%0 Journal Article
%A S. A. Markosyan
%T Qualitative investigation of a system of two differential equations by the method of two isoclines
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1959
%P 114-128
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1959_1_a10/
%G ru
%F IVM_1959_1_a10