%0 Journal Article
%A P. Olszewski
%T A nonlinear boundary value problem for a system of arbitrary cardinality of second-order integro-differential equations
%J Differencialʹnye uravneniâ
%D 1984
%P 1788-1799
%V 20
%N 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1984_20_10_a17/
%G ru
%F DE_1984_20_10_a17