%0 Journal Article
%A Yu. T. Sil'chenko
%T Second order equations with operators that generate semigroups with singularities
%J Differencialʹnye uravneniâ
%D 1977
%P 763-765
%V 13
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1977_13_4_a26/
%G ru
%F DE_1977_13_4_a26