@article{DAN_1985_285_3_a5,
     author = {Arif S. Dzhafarov},
     title = {Constructive description of generalized {Besov} classes on a},
     journal = {Doklady Akademii Nauk},
     pages = {542--546},
     publisher = {mathdoc},
     volume = {285},
     number = {3},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1985_285_3_a5/}
}