@article{DAN_1976_229_3_a7,
     author = {\`E. A. Storozhenko and P. Oswald},
     title = {Jackson's theorem in the spaces  $L_p(R^k)$, $0<p<1$},
     journal = {Doklady Akademii Nauk},
     pages = {554--557},
     publisher = {mathdoc},
     volume = {229},
     number = {3},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1976_229_3_a7/}
}