@article{MZM_1975_17_5_a2,
     author = {O. G. Smolyanov},
     title = {The class of spaces in which the theorem on the bounded differentiability of the inverse mapping is valid},
     journal = {Matemati\v{c}eskie zametki},
     pages = {703--709},
     year = {1975},
     volume = {17},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1975_17_5_a2/}
}