TY - JOUR AU - M. M. Malamud TI - Estimates for a system of differential operators in $L_p(\Omega)$. A connection with results of L.~H\"ormander JO - Doklady Akademii Nauk PY - 1990 SP - 1312 EP - 1317 VL - 312 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1990_312_6_a6/ LA - ru ID - DAN_1990_312_6_a6 ER -