@article{NAM_1902_4_2__313_1,
     author = {du Plessis, Philbert},
     title = {Concours d'admission \`a {l'\'Ecole} polytechnique en 1902. {Composition} math\'ematique},
     journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale},
     pages = {313--320},
     publisher = {Carilian-Goeury et Vor Dalmont},
     volume = {4e s{\'e}rie, 2},
     year = {1902},
     language = {fr},
     url = {http://www.numdam.org/item/NAM_1902_4_2__313_1/}
}