@article{NAM_1888_3_7__461_1,
     author = {Joffroy},
     title = {Nouveau th\'eor\`eme relatif aux circonf\'erences tangentes},
     journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale},
     pages = {461--464},
     publisher = {Carilian-Goeury et Vor Dalmont},
     volume = {3e s{\'e}rie, 7},
     year = {1888},
     language = {fr},
     url = {http://archive.numdam.org/item/NAM_1888_3_7__461_1/}
}