@article{RM_1975_30_4_a22,
     author = {V. I. Shcherbin},
     title = {Strict differentiability of mappings of $K$-spaces, and some theorems on local invertibility},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     publisher = {mathdoc},
     volume = {30},
     number = {4},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1975_30_4_a22/}
}