@article{VMUMM_1999_3_a7,
     author = {B. A. Pasynkov},
     title = {On metric mappings},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {29--32},
     publisher = {mathdoc},
     number = {3},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1999_3_a7/}
}