@article{KUTGS_1975_8_a14,
     author = {A. P. Shirokov},
     title = {Norden's normalization method, and real models of projective spaces over algebras},
     journal = {Trudy Geometricheskogo Seminara},
     pages = {145--152},
     publisher = {mathdoc},
     volume = {8},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUTGS_1975_8_a14/}
}