%0 Journal Article
%A A. S. Kalashnikov
%T On some nonlinear systems describing the dynamics of competing biological species
%J Sbornik. Mathematics
%D 1988
%P 9-22
%V 61
%N 1
%U http://geodesic.mathdoc.fr/item/SM_1988_61_1_a1/
%G en
%F SM_1988_61_1_a1