TY - JOUR AU - V. M. Tikhomirov TI - On extremal subspaces for classes of functions defined by kernels that do not increase oscillation JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1997 SP - 16 EP - 19 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1997_4_a4/ LA - ru ID - VMUMM_1997_4_a4 ER -