@article{NAM_1890_3_9__157_1,
     author = {Brocard, H.},
     title = {Solution de la question 1566},
     journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale},
     pages = {157--159},
     publisher = {Carilian-Goeury et Vor Dalmont},
     volume = {3e s{\'e}rie, 9},
     year = {1890},
     language = {fr},
     url = {http://www.numdam.org/item/NAM_1890_3_9__157_1/}
}