%0 Journal Article %A V. N. Karpushkin %T The Number of Components of the Complement of the Level Surface of a Harmonic Polynomial in Three Variables %J Funkcionalʹnyj analiz i ego priloženiâ %D 1994 %P 52-54 %V 28 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1994_28_2_a6/ %G ru %F FAA_1994_28_2_a6