Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1969_2_a6, author = {A. P. Norden and Yu. B. Simonov}, title = {A~certain interpretation of unitary space of constant curvature}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {63--71}, publisher = {mathdoc}, number = {2}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1969_2_a6/} }
A. P. Norden; Yu. B. Simonov. A~certain interpretation of unitary space of constant curvature. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 2 (1969), pp. 63-71. http://geodesic.mathdoc.fr/item/IVM_1969_2_a6/