@article{MMO_1975_32_a0,
     author = {V. K. Bel'nov},
     title = {Structure of the set of metric extensions of a~noncompact metrizable space},
     journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva},
     pages = {3--33},
     publisher = {mathdoc},
     volume = {32},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MMO_1975_32_a0/}
}