TY - JOUR AU - B. Zh. Ishchanov TI - Generalization of Fedorov's theorem to $M$-harmonic functions JO - Matematičeskie zametki PY - 1994 SP - 50 EP - 56 VL - 56 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1994_56_5_a5/ LA - ru ID - MZM_1994_56_5_a5 ER -