%0 Journal Article %A L. D. Pokrovskii %T The Dirichlet problem for pseudodifferential equations which depend on a parameter %J Doklady Akademii Nauk %D 1969 %P 528-531 %V 188 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1969_188_3_a8/ %G ru %F DAN_1969_188_3_a8