%0 Journal Article %A P. P. Mosolov %T Differential properties of the solutions of stable hypoelliptic equations %J Doklady Akademii Nauk %D 1962 %P 44-47 %V 144 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1962_144_1_a11/ %G ru %F DAN_1962_144_1_a11