%0 Journal Article %A L. S. Klabukova %T A differential operator of problems of the theory of moment-free elastic shells and their solution by the variational-difference method %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1980 %P 208-225 %V 20 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1980_20_1_a18/ %G ru %F ZVMMF_1980_20_1_a18