%0 Journal Article %A N. F. Morozov %T Breaking load for a region weakened by a hole in the shape of a lune %J Doklady Akademii Nauk %D 1980 %P 1336-1338 %V 253 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1980_253_6_a12/ %G ru %F DAN_1980_253_6_a12