%0 Journal Article
%A M. S. Salakhitdinov
%A A. Tolipov
%T Certain boundary value problems for equations of mixed type with one and two curves of degeneracy
%J Differencialʹnye uravneniâ
%D 1972
%P 134-142
%V 8
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1972_8_1_a14/
%G ru
%F DE_1972_8_1_a14