%0 Journal Article %A M. Nurubloev %T Some boundary value problems for a system of equations of composite type in three-dimensional space %J Differencialʹnye uravneniâ %D 1980 %P 179-182 %V 16 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1980_16_1_a24/ %G ru %F DE_1980_16_1_a24