TY - JOUR AU - È. D. Pergamentseva TI - Certain plane problems of electrostatics which are connected with the conformal mapping of circular quadrangles JO - Differencialʹnye uravneniâ PY - 1969 SP - 935 EP - 944 VL - 5 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1969_5_5_a14/ LA - ru ID - DE_1969_5_5_a14 ER -