%0 Journal Article %A A. I. Markov %T On taking into account thrust friction in the calculations of brittle metal strength %J Doklady Akademii Nauk %D 1971 %P 1299-1302 %V 198 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1971_198_6_a13/ %G ru %F DAN_1971_198_6_a13