%0 Journal Article %A V. T. Fomenko %A Yu. P. Zolotukhin %T Investigations of certain classes of two-sided external constraints of the theory of bendings of surfaces %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1984 %P 71-74 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1984_11_a12/ %G ru %F IVM_1984_11_a12