@article{ARM_2003__39_4_a7, author = {Tryhuk, V\'aclav and Dlouh\'y, Old\v{r}ich}, title = {The moving frames for differential equations. {I.} {The} change of independent variable}, journal = {Archivum mathematicum}, pages = {317--333}, publisher = {mathdoc}, volume = {39}, number = {4}, year = {2003}, mrnumber = {2032105}, zbl = {1116.34301}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ARM_2003__39_4_a7/} }