@article{NAM_1918_4_18__392_1, author = {du Plessis, Philbert}, title = {Remarques g\'eom\'etriques sur la question de concours de {l'\'Ecole} polytechnique en 1918}, journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale}, pages = {392--394}, publisher = {Carilian-Goeury et Vor Dalmont}, volume = {4e s{\'e}rie, 18}, year = {1918}, language = {fr}, url = {http://archive.numdam.org/item/NAM_1918_4_18__392_1/} }