%0 Journal Article %A A. B. Bazarbekov %T A certain problem for an equation of mixed type with two parallel lines of degeneracy %J Differencialʹnye uravneniâ %D 1974 %P 18-23 %V 10 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1974_10_1_a2/ %G ru %F DE_1974_10_1_a2