@article{oai:repository.dl.itc.u-tokyo.ac.jp:00040106, author = {Wojtkowiak, Zdzis{\l}aw}, issue = {2}, journal = {Journal of mathematical sciences, the University of Tokyo}, month = {Aug}, note = {application/pdf}, pages = {177--259}, title = {On the Galois actions on torsors of paths I, Descent of Galois representations}, volume = {14}, year = {2007} }