@article{SD_1974-1975__28_1_A11_0,
     author = {Strooker, Jan R.},
     title = {Le groupe fondamental des groupes lin\'eaires $GL_n$},
     journal = {S\'eminaire Dubreil. Alg\`ebre et th\'eorie des nombres},
     note = {talk:17},
     pages = {1--2},
     publisher = {Secr\'etariat math\'ematique},
     volume = {28},
     number = {1},
     year = {1974-1975},
     zbl = {0323.18013},
     language = {fr},
     url = {http://www.numdam.org/item/SD_1974-1975__28_1_A11_0/}
}