@article{MZM_1985_37_4_a13,
     author = {V. M. Millionshchikov},
     title = {Metric spaces of diffeomorphisms},
     journal = {Matemati\v{c}eskie zametki},
     pages = {561--579},
     publisher = {mathdoc},
     volume = {37},
     number = {4},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1985_37_4_a13/}
}