@article{SEMR_2017_14_a67,
     author = {K. G. Kamalutdinov},
     title = {On mappings that preserve metric order},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {1434--1439},
     publisher = {mathdoc},
     volume = {14},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2017_14_a67/}
}