TY - JOUR AU - A. S. Makin TI - Some properties of eigen- and associated functions of hypoelliptic JO - Doklady Akademii Nauk PY - 1986 SP - 1305 EP - 1307 VL - 288 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1986_288_6_a4/ LA - ru ID - DAN_1986_288_6_a4 ER -