@article{PDML_1979__16_3-4_39_0,
     author = {Potthoff, Klaus},
     title = {Ultraproduits des groupes finis et applications \`a la th\'eorie de {Galois}},
     journal = {Publications du D\'epartement de math\'ematiques (Lyon)},
     pages = {39--45},
     publisher = {Universit\'e Claude Bernard - Lyon 1},
     volume = {16},
     number = {3-4},
     year = {1979},
     mrnumber = {602652},
     zbl = {0448.12005},
     language = {fr},
     url = {http://www.numdam.org/item/PDML_1979__16_3-4_39_0/}
}