TY - JOUR AU - P. E. Sobolevskii TI - Green's functions of arbitrary (in particular, integer) powers of elliptic operators JO - Doklady Akademii Nauk PY - 1962 SP - 804 EP - 807 VL - 142 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1962_142_4_a16/ LA - ru ID - DAN_1962_142_4_a16 ER -