@article{UZKU_1952_112_10_a0,
     author = {A. P. Norden},
     title = {Biaffine space and its mapping on itself},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {3--11},
     year = {1952},
     volume = {112},
     number = {10},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_1952_112_10_a0/}
}