@article{IM2_1973_7_2_a8,
     author = {\`E. A. Storozhenko},
     title = {Necessary and sufficient conditions for the imbedding of some classes of functions},
     journal = {Izvestiya. Mathematics},
     pages = {388--400},
     year = {1973},
     volume = {7},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1973_7_2_a8/}
}