%0 Journal Article
%A I. A. Bakhtin
%T On a class of equations with positive operators
%J Doklady Akademii Nauk
%D 1957
%P 13-16
%V 117
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1957_117_1_a1/
%G ru
%F DAN_1957_117_1_a1