@article{NAM_1924_5_3__328_0,
     author = {Bricard, Raoul},
     title = {Sur le mouvement \`a deux param\`etres autour d'un point fixe},
     journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale},
     pages = {328--341},
     publisher = {Carilian-Goeury et Vor Dalmont},
     volume = {5e s{\'e}rie, 3},
     year = {1924},
     language = {fr},
     url = {http://www.numdam.org/item/NAM_1924_5_3__328_0/}
}