TY - JOUR AU - A. A. Kulikov TI - Existence and smoothness of generalized solutions of $B$-hypoelliptic equations JO - Doklady Akademii Nauk PY - 1983 SP - 284 EP - 289 VL - 273 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1983_273_2_a4/ LA - ru ID - DAN_1983_273_2_a4 ER -