@article{NAM_1882_3_1__519_2,
     author = {Catalan, E.},
     title = {Notes diverses},
     journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale},
     pages = {519--521},
     publisher = {Carilian-Goeury et Vor Dalmont},
     volume = {3e s{\'e}rie, 1},
     year = {1882},
     language = {fr},
     url = {http://www.numdam.org/item/NAM_1882_3_1__519_2/}
}