@article{CRMATH_2005__341_12_725_0,
     author = {Philippe Gille and Arturo Pianzola},
     title = {Isotriviality of torsors over {Laurent} polynomial rings},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {725--729},
     publisher = {Elsevier},
     volume = {341},
     number = {12},
     year = {2005},
     doi = {10.1016/j.crma.2005.10.013},
     language = {en},
}