@article{NAM_1920_4_20__297_1,
     author = {Delassus, \'Et.},
     title = {Concours sp\'ecial d'agr\'egation de 1919. {Solution} du probl\`eme de m\'ecanique},
     journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale},
     pages = {297--307},
     publisher = {Carilian-Goeury et Vor Dalmont},
     volume = {4e s{\'e}rie, 20},
     year = {1920},
     language = {fr},
     url = {http://www.numdam.org/item/NAM_1920_4_20__297_1/}
}