%0 Journal Article %A L. V. Maslovskaya %T The best possible for the convergence of the semimixed finite element method for the main boundary-value problems of the theory of shallow shells in polygonal regions %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1990 %P 513-520 %V 30 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1990_30_4_a3/ %G ru %F ZVMMF_1990_30_4_a3