%0 Journal Article %A Sh. Bouzar %A A. A. Kuleshov %T Local solvability of pseudodifferential equations of constant strength. I %J Differencialʹnye uravneniâ %D 1988 %P 831-837 %V 24 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1988_24_5_a11/ %G ru %F DE_1988_24_5_a11