@article{NAM_1864_2_3__316_0,
     author = {Haag},
     title = {Solution g\'eom\'etrique de la question donn\'ee en composition au concours d'admission \`a {l'\'Ecole} normale (1863)},
     journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale},
     pages = {316--320},
     publisher = {Carilian-Goeury et Vor Dalmont},
     volume = {2e s{\'e}rie, 3},
     year = {1864},
     language = {fr},
     url = {http://archive.numdam.org/item/NAM_1864_2_3__316_0/}
}