@article{VMUMM_1999_6_a1,
     author = {I. G. Tsar'kov},
     title = {Extension of {Hilbert-valued} {Lipschitz} mappings},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {9--16},
     publisher = {mathdoc},
     number = {6},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1999_6_a1/}
}