%0 Journal Article %A A. B. Korchagin %A E. I. Shustin %T Affine curves of degree~6 and smoothings of a~nondegenerate sixth order singular point %J Izvestiya. Mathematics %D 1989 %P 501-520 %V 33 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1989_33_3_a2/ %G en %F IM2_1989_33_3_a2