%0 Journal Article
%A V. P. Polityukov
%T On the theory of upper and lower solutions for the nonlinear transport equation
%J Doklady Akademii Nauk
%D 1978
%P 534-537
%V 239
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1978_239_3_a8/
%G ru
%F DAN_1978_239_3_a8