TY - JOUR AU - B. R. Vainberg TI - Hypo-elliptic equations in the whole space and the principle of limiting absorption JO - Doklady Akademii Nauk PY - 1964 SP - 20 EP - 23 VL - 155 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1964_155_1_a3/ LA - ru ID - DAN_1964_155_1_a3 ER -