@article{SEMR_2018_15_a125,
     author = {A. V. Greshnov},
     title = {Some problems of regularity of $f$-quasimetrics},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {355--361},
     publisher = {mathdoc},
     volume = {15},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2018_15_a125/}
}