%0 Journal Article %A A. V. Pogorelov %T Special infinitesimal bendings of conical surfaces %J Doklady Akademii Nauk %D 1988 %P 563-566 %V 303 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1988_303_3_a11/ %G ru %F DAN_1988_303_3_a11