@article{JEMS_2018_20_7_a3,
     author = {Terry J. Lyons and Weijun Xu},
     title = {Inverting the signature of a path},
     journal = {Journal of the European Mathematical Society},
     pages = {1655--1687},
     publisher = {mathdoc},
     volume = {20},
     number = {7},
     year = {2018},
     doi = {10.4171/jems/796},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/796/}
}