@article{NAM_1889_3_8__85_1,
     author = {Joffroy, Joseph},
     title = {Nouveau th\'eor\`eme sur les progressions arithm\'etiques},
     journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale},
     pages = {85--88},
     publisher = {Carilian-Goeury et Vor Dalmont},
     volume = {3e s{\'e}rie, 8},
     year = {1889},
     language = {fr},
     url = {http://www.numdam.org/item/NAM_1889_3_8__85_1/}
}