%0 Journal Article
%A Yu. A. Dubinskii
%T On~an~abstract theorem and its applications to boundary value problems for nonclassical equations
%J Sbornik. Mathematics
%D 1969
%P 87-113
%V 8
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1969_8_1_a4/
%G en
%F SM_1969_8_1_a4