@article{IM2_2018_82_2_a0,
     author = {A. V. Arutyunov and A. V. Greshnov},
     title = {$(q_1,q_2)$-quasimetric spaces. {Covering} mappings and coincidence points},
     journal = {Izvestiya. Mathematics},
     pages = {245--272},
     year = {2018},
     volume = {82},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2018_82_2_a0/}
}