TY - JOUR AU - V. N. Karpushkin TI - The number of connected components of~a~level surface of a~harmonic polynomial JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2010 SP - 783 EP - 784 VL - 65 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_2010_65_4_a6/ LA - en ID - RM_2010_65_4_a6 ER -