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@article{MZ_1980__171_172929, author = {Ulrich Abel}, title = {On the {Group} of {Piecewise} {Linear} {Monotone} {Bijections} of an {Arc.}}, journal = {Mathematische Zeitschrift}, pages = {155--162}, publisher = {mathdoc}, volume = {171}, year = {1980}, zbl = {0418.57011}, url = {http://geodesic.mathdoc.fr/item/MZ_1980__171_172929/} }
Ulrich Abel. On the Group of Piecewise Linear Monotone Bijections of an Arc.. Mathematische Zeitschrift, Tome 171 (1980), pp. 155-162. http://geodesic.mathdoc.fr/item/MZ_1980__171_172929/