@article{1250523240, author = {Izumi, Shuzo}, title = {Dependence of local homeomorphisms and local $C^r$-structures}, journal = {J. Math. Kyoto Univ.}, volume = {14}, number = {3}, year = {1974}, pages = { 287-318}, language = {en}, url = {http://dml.mathdoc.fr/item/1250523240} }
Izumi, Shuzo. Dependence of local homeomorphisms and local $C^r$-structures. J. Math. Kyoto Univ., Tome 14 (1974) no. 3, pp. 287-318. http://gdmltest.u-ga.fr/item/1250523240/