%0 Journal Article
%A A. M. Nakhushev
%T The correct formulation of boundary value problems for parabolic equations with a characteristic form of variable sign
%J Differencialʹnye uravneniâ
%D 1973
%P 130-135
%V 9
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1973_9_1_a13/
%G ru
%F DE_1973_9_1_a13