@misc{NAM_1880_2_19__380_1, title = {Correspondance}, journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale}, pages = {380--382}, publisher = {Carilian-Goeury et Vor Dalmont}, volume = {2e s{\'e}rie, 19}, year = {1880}, language = {fr}, url = {http://www.numdam.org/item/NAM_1880_2_19__380_1/} }