%0 Journal Article
%A V. K. Romanko
%T On conjugation problems for some partial differential equations
%J Doklady Akademii Nauk
%D 1979
%P 831-835
%V 244
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1979_244_4_a9/
%G ru
%F DAN_1979_244_4_a9