%0 Journal Article
%A M. E. Lerner
%A O. A. Repin
%T On Frankl'-type problems for some elliptic equations with degeneration of various types
%J Differencialʹnye uravneniâ
%D 1999
%P 1087-1093
%V 35
%N 8
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1999_35_8_a10/
%G ru
%F DE_1999_35_8_a10