%0 Journal Article %A O. Ya. Viro %T Curves of degree $7$, curves of degree $8$, and the Ragsdale conjecture %J Doklady Akademii Nauk %D 1980 %P 1306-1310 %V 254 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1980_254_6_a5/ %G ru %F DAN_1980_254_6_a5