@article{DAN_1961_136_4_a4,
     author = {N. M. Ostianu},
     title = {On the geometry of an $n$-dimensional surface of a $(2n-1)$-dimensional projective space},
     journal = {Doklady Akademii Nauk},
     pages = {775--778},
     publisher = {mathdoc},
     volume = {136},
     number = {4},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1961_136_4_a4/}
}