%0 Journal Article %A A. S. Makin %T Some properties of eigen- and associated functions of hypoelliptic %J Doklady Akademii Nauk %D 1986 %P 1305-1307 %V 288 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1986_288_6_a4/ %G ru %F DAN_1986_288_6_a4