%0 Journal Article
%A S. A. Tersenov
%T An elliptical type of equation degenerating at the domain boundary
%J Doklady Akademii Nauk
%D 1957
%P 670-673
%V 115
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1957_115_4_a9/
%G ru
%F DAN_1957_115_4_a9