@article{GDZPPN002487489, title = {Bi-Lipschitz Concordance Implies Bi-Lipschitz Isotopy.}, journal = {Monatshefte f\"ur Mathematik}, volume = {112}, year = {1991}, pages = {35-46}, zbl = {0719.30013}, url = {http://dml.mathdoc.fr/item/GDZPPN002487489} }
Luukkainen, Jouni. Bi-Lipschitz Concordance Implies Bi-Lipschitz Isotopy.. Monatshefte für Mathematik, Tome 112 (1991) pp. 35-46. http://gdmltest.u-ga.fr/item/GDZPPN002487489/