@article{IVM_1995_5_a9,
     author = {E. N. Sosov},
     title = {On an odule in the {Hilbert} geometry},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {78--82},
     year = {1995},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1995_5_a9/}
}