Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{CMH_1974__49_139598, author = {John N. Mather}, title = {Commutators of {Diffeomorphisms}}, journal = {Commentarii mathematici Helvetici}, pages = {512--528}, publisher = {mathdoc}, volume = {49}, year = {1974}, zbl = {0289.57014}, url = {http://geodesic.mathdoc.fr/item/CMH_1974__49_139598/} }
John N. Mather. Commutators of Diffeomorphisms. Commentarii mathematici Helvetici, Tome 49 (1974), pp. 512-528. http://geodesic.mathdoc.fr/item/CMH_1974__49_139598/