@article{GDZPPN002539233, title = {A proof of the inverse function theorem}, journal = {Revista colombiana de matematicas}, volume = {5}, year = {1971}, pages = {19-24}, zbl = {0252.26003}, url = {http://dml.mathdoc.fr/item/GDZPPN002539233} }
Restrepo, Guillermo. A proof of the inverse function theorem. Revista colombiana de matematicas, Tome 5 (1971) pp. 19-24. http://gdmltest.u-ga.fr/item/GDZPPN002539233/