%0 Journal Article %A B. A. Kushner %T On some topological properties of constructive plane curves %J Doklady Akademii Nauk %D 1981 %P 281-283 %V 260 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1981_260_2_a4/ %G ru %F DAN_1981_260_2_a4