@article{MZM_1995_58_1_a8,
     author = {S. E. Stepanov},
     title = {On~the global theory of projective mappings},
     journal = {Matemati\v{c}eskie zametki},
     pages = {111--118},
     publisher = {mathdoc},
     volume = {58},
     number = {1},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1995_58_1_a8/}
}