TY - JOUR AU - P. I. Lizorkin TI - Generalized Liouville differentiation and the multiplier method in the theory of imbeddings of classes of differentiable functions JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1969 SP - 89 EP - 167 VL - 105 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_1969_105_a7/ LA - ru ID - TM_1969_105_a7 ER -