@article{DAN_1974_219_6_a2,
     author = {Yu. A. Brychkov},
     title = {On the theory of the spaces $S_p^rL(R_n)$},
     journal = {Doklady Akademii Nauk},
     pages = {1289--1290},
     publisher = {mathdoc},
     volume = {219},
     number = {6},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1974_219_6_a2/}
}