%0 Journal Article %A E. R. Matveev %T ``Super-one-sided'' approximation by splines of functions of several variables %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1988 %P 49-54 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1988_6_a7/ %G ru %F IVM_1988_6_a7