%0 Journal Article %A V. G. Boltyanskii %A S. S. Ryshkov %A Yu. A. Shashkin %T On $k$-regular imbeddings and on applications to theory of function approximation %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1960 %V 15 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1960_15_6_a4/ %G ru %F RM_1960_15_6_a4