Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1977_6_a14, author = {V. V. Sekackii}, title = {Collineation in a~dimension-free projective space}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {119--121}, publisher = {mathdoc}, number = {6}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1977_6_a14/} }
V. V. Sekackii. Collineation in a~dimension-free projective space. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 6 (1977), pp. 119-121. http://geodesic.mathdoc.fr/item/IVM_1977_6_a14/