%0 Journal Article %A B. Zh. Ishchanov %T A generalization of V. S. Fedorov's theorem for harmonic functions of several variables %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1986 %P 100-102 %N 2 %U http://geodesic.mathdoc.fr/item/VMUMM_1986_2_a23/ %G ru %F VMUMM_1986_2_a23