@article{IVM_1985_4_a0,
     author = {A. V. Aminova},
     title = {Nonhomothetic projective motions in ordinary $h$h-spaces of {Lorentz} signature},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {3--13},
     publisher = {mathdoc},
     number = {4},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1985_4_a0/}
}