@article{AMBP_2008__15_1_81_0,
     author = {Vall\`es, Jean},
     title = {Hyperd\'eterminant d{\textquoteright}un $SL_{2}$-homomorphisme},
     journal = {Annales math\'ematiques Blaise Pascal},
     pages = {81--86},
     publisher = {Annales math\'ematiques Blaise Pascal},
     volume = {15},
     number = {1},
     year = {2008},
     doi = {10.5802/ambp.240},
     zbl = {1141.14030},
     mrnumber = {2418014},
     language = {fr},
     url = {http://www.numdam.org/articles/10.5802/ambp.240/}
}