TY - JOUR AU - B. S. Kashin TI - Diameters of some finite-dimensional sets and classes of smooth functions JO - Izvestiya. Mathematics PY - 1977 SP - 317 EP - 333 VL - 11 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_1977_11_2_a5/ LA - en ID - IM2_1977_11_2_a5 ER -