@article{ZNSL_1982_114_a19,
     author = {E. V. Schelkanova},
     title = {Equivalence of metric homomorphisms},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {205--210},
     publisher = {mathdoc},
     volume = {114},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1982_114_a19/}
}