@article{IVM_1988_6_a7, author = {E. R. Matveev}, title = {{\textquotedblleft}Super-one-sided{\textquotedblright} approximation by splines of functions of several variables}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {49--54}, year = {1988}, number = {6}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1988_6_a7/} }