TY - JOUR AU - M. G. Shur TI - The Martin boundary for linear, second-order elliptic operators JO - Doklady Akademii Nauk PY - 1962 SP - 290 EP - 292 VL - 144 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1962_144_2_a10/ LA - ru ID - DAN_1962_144_2_a10 ER -