TY - JOUR AU - V. M. Tikhomirov TI - Best methods of approximation and interpolation of differentiable functions in~the space $C_{[-1,1]}$ JO - Sbornik. Mathematics PY - 1969 SP - 275 EP - 289 VL - 9 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1969_9_2_a10/ LA - en ID - SM_1969_9_2_a10 ER -