@article{ISU_2013_13_1_a4,
     author = {A. V. Boluchevskaya},
     title = {On the {Quasiisometric} {Mapping} {Preserving} {Simplex} {Orientation}},
     journal = {Izvestiya of Saratov University. Mathematics. Mechanics. Informatics},
     pages = {20--23},
     publisher = {mathdoc},
     volume = {13},
     number = {1},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ISU_2013_13_1_a4/}
}