%0 Journal Article %A A. V. Pogorelov %T Loss of stability of conical shells under twisting %J Doklady Akademii Nauk %D 1990 %P 815-817 %V 311 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1990_311_4_a9/ %G ru %F DAN_1990_311_4_a9