TY - JOUR AU - K. Yu. Kishkis TI - On a nonlocal problem for functions harmonic in a multiply connected domain JO - Differencialʹnye uravneniâ PY - 1987 SP - 174 EP - 177 VL - 23 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1987_23_1_a19/ LA - ru ID - DE_1987_23_1_a19 ER -