TY - JOUR AU - V. V. Grushin TI - A property of the solution of a hypoelliptic equation JO - Doklady Akademii Nauk PY - 1961 SP - 768 EP - 771 VL - 137 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1961_137_4_a2/ LA - ru ID - DAN_1961_137_4_a2 ER -