@article{TM_1969_105_a7,
     author = {P. I. Lizorkin},
     title = {Generalized {Liouville} differentiation and the multiplier method in the theory of imbeddings of classes of differentiable functions},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {89--167},
     publisher = {mathdoc},
     volume = {105},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1969_105_a7/}
}