TY - JOUR AU - E. A. Volkov TI - A difference-analytic method of calculating the potential field on polygons JO - Doklady Akademii Nauk PY - 1977 SP - 1265 EP - 1268 VL - 237 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1977_237_6_a0/ LA - ru ID - DAN_1977_237_6_a0 ER -