TY - JOUR AU - V. B. Andreev TI - The mixed problem for the grid Laplace equation in a half-plane JO - Doklady Akademii Nauk PY - 1977 SP - 997 EP - 1000 VL - 234 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1977_234_5_a1/ LA - ru ID - DAN_1977_234_5_a1 ER -