%0 Journal Article
%A R. K. Ragimkhanov
%T On the question of the existence of upper and lower solutions of the Hammerstein integral inclusion
%J Differencialʹnye uravneniâ
%D 1983
%P 2011-2013
%V 19
%N 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1983_19_11_a31/
%G ru
%F DE_1983_19_11_a31