@article{TRSPY_1981_155_a2,
     author = {E. M. Dyn'kin},
     title = {Constructive characterization of {S.\,L.~Sobolev} and {O.\,V.~Besov} classes},
     journal = {Informatics and Automation},
     pages = {41--76},
     publisher = {mathdoc},
     volume = {155},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1981_155_a2/}
}