TY - JOUR AU - V. N. Margaryan AU - G. G. Kazaryan TI - On the functional dimension of the solution space of hypoelliptic equations JO - Sbornik. Mathematics PY - 1982 SP - 547 EP - 562 VL - 43 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1982_43_4_a6/ LA - en ID - SM_1982_43_4_a6 ER -