@article{1077377779, author = {Chen, Kuo-Tsai}, title = {Normal forms of local diffeomorphisms on the real line}, journal = {Duke Math. J.}, volume = {35}, number = {1}, year = {1968}, pages = { 549-555}, language = {en}, url = {http://dml.mathdoc.fr/item/1077377779} }
Chen, Kuo-Tsai. Normal forms of local diffeomorphisms on the real line. Duke Math. J., Tome 35 (1968) no. 1, pp. 549-555. http://gdmltest.u-ga.fr/item/1077377779/