@article{DAN_1969_185_1_a7,
     author = {E. V. Oshman},
     title = {Continuity of metric projection and some geometric properties of the unit sphere in a {Banach} space},
     journal = {Doklady Akademii Nauk},
     pages = {34--36},
     publisher = {mathdoc},
     volume = {185},
     number = {1},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1969_185_1_a7/}
}