@article{DAN_1960_131_2_a6,
     author = {M. A. Krasnosel'skii},
     title = {On a theorem of {M.~Riesz}},
     journal = {Doklady Akademii Nauk},
     pages = {246--248},
     publisher = {mathdoc},
     volume = {131},
     number = {2},
     year = {1960},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1960_131_2_a6/}
}