@article{DAN_1994_335_2_a0,
     author = {V. V. Aseev and A. A. Shalaginov},
     title = {Mappings that boundedly distort distance ratios},
     journal = {Doklady Akademii Nauk},
     pages = {133--134},
     publisher = {mathdoc},
     volume = {335},
     number = {2},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1994_335_2_a0/}
}