%0 Journal Article %A V. M. Tikhomirov %T On extremal subspaces for classes of functions defined by kernels that do not increase oscillation %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1997 %P 16-19 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1997_4_a4/ %G ru %F VMUMM_1997_4_a4