%0 Journal Article %A S. A. Aldashev %T Some boundary value problems for a certain class of singular partial differential equations %J Differencialʹnye uravneniâ %D 1976 %P 3-14 %V 12 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1976_12_1_a0/ %G ru %F DE_1976_12_1_a0