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@article{MZM_1970_7_6_a9, author = {S. F. Morozov and V. I. Sumin}, title = {Criterion for the compactness of a class of functions of $W_m^l$ ($1<ml\leqslant n$)}, journal = {Matemati\v{c}eskie zametki}, pages = {733--741}, publisher = {mathdoc}, volume = {7}, number = {6}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1970_7_6_a9/} }
S. F. Morozov; V. I. Sumin. Criterion for the compactness of a class of functions of $W_m^l$ ($1