TY - JOUR AU - V. V. Peller TI - Rational approximation and smoothness of functions JO - Zapiski Nauchnykh Seminarov POMI PY - 1982 SP - 150 EP - 159 VL - 107 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1982_107_a8/ LA - ru ID - ZNSL_1982_107_a8 ER -