%0 Journal Article %A V. D. Sedykh %T Singularities of the convex hull of a curve in~$\mathbb{R}^3$ %J Funkcionalʹnyj analiz i ego priloženiâ %D 1977 %P 81-82 %V 11 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1977_11_1_a18/ %G ru %F FAA_1977_11_1_a18