@article{IVM_2005_8_a3,
     author = {V. A. Kyrov},
     title = {Two-metric spaces},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {27--38},
     year = {2005},
     number = {8},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2005_8_a3/}
}