TY - JOUR AU - N. S. Bakhvalov TI - A method for an approximate solution of Laplace's equation JO - Doklady Akademii Nauk PY - 1957 SP - 455 EP - 458 VL - 114 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1957_114_3_a0/ LA - ru ID - DAN_1957_114_3_a0 ER -