%0 Journal Article %A È. È. Shnol' %T On approximation of curves by level curves of homogeneous polynomials, and on series in homogeneous polynomials %J Sbornik. Mathematics %D 1992 %P 403-411 %V 72 %N 2 %U http://geodesic.mathdoc.fr/item/SM_1992_72_2_a7/ %G en %F SM_1992_72_2_a7