@book{MSM_1929__39__1_0,
     author = {Nagell, T.},
     title = {L'analyse ind\'etermin\'ee de degr\'e sup\'erieur},
     series = {M\'emorial des sciences math\'ematiques},
     publisher = {Gauthier-Villars},
     number = {39},
     year = {1929},
     language = {fr},
     url = {http://www.numdam.org/item/MSM_1929__39__1_0/}
}