%0 Journal Article %A V. G. Limanskii %T On first order differential operator equations of stable type %J Doklady Akademii Nauk %D 1971 %P 1280-1282 %V 200 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1971_200_6_a5/ %G ru %F DAN_1971_200_6_a5