@article{NAM_1879_2_18__509_1,
     author = {Lionnet},
     title = {Note sur la s\'erie $1 -\frac{1}{2} + \frac{1}{3} + \frac{1}{4} +\frac{1}{5} + \frac{1}{6} + \cdots ;$},
     journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale},
     pages = {509--513},
     publisher = {Carilian-Goeury et Vor Dalmont},
     volume = {2e s{\'e}rie, 18},
     year = {1879},
     language = {fr},
     url = {http://www.numdam.org/item/NAM_1879_2_18__509_1/}
}