%0 Journal Article %A A. V. Pogorelov %T Loss of stability of conical shells under external pressure %J Doklady Akademii Nauk %D 1989 %P 1322-1326 %V 308 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1989_308_6_a9/ %G ru %F DAN_1989_308_6_a9