@incollection{SB_1980-1981__23__36_0, author = {Lanford III, Oscar E.}, title = {Smooth transformations of intervals}, booktitle = {S\'eminaire Bourbaki : vol. 1980/81, expos\'es 561-578}, author = {Collectif}, series = {S\'eminaire Bourbaki}, note = {talk:563}, publisher = {Springer-Verlag}, number = {23}, year = {1981}, zbl = {0514.58028}, mrnumber = {647487}, language = {en}, url = {http://www.numdam.org/item/SB_1980-1981__23__36_0/} }