%0 Journal Article %A M. M. Karchevskii %A V. N. Paimushin %T Variational problems in the theory of three-layer shallow shells %J Differencialʹnye uravneniâ %D 1994 %P 1217-1221 %V 30 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1994_30_7_a14/ %G ru %F DE_1994_30_7_a14