TY - JOUR AU - P. I. Lizorkin AU - S. M. Nikol'skii TI - Compactness of sets of differentiable functions JO - Informatics and Automation PY - 1969 SP - 168 EP - 177 VL - 105 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1969_105_a8/ LA - ru ID - TRSPY_1969_105_a8 ER -