%0 Journal Article
%A V. I. Borzdyko
%T The Existence of a Positive Periodic Solution of the Wangersky--Cunningham Predator-Prey System Allowing for Periodic Changes in the Environment
%J Differencialʹnye uravneniâ
%D 2002
%P 291-297
%V 38
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_2002_38_3_a0/
%G ru
%F DE_2002_38_3_a0