%0 Journal Article
%A O. D. Dyachkin
%T Some parabolic and elliptic equations in a Hilbert space
%J Differencialʹnye uravneniâ
%D 1990
%P 640-652
%V 26
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1990_26_4_a11/
%G ru
%F DE_1990_26_4_a11