@article{NAM_1912_4_12__181_1,
     author = {Haag, J.},
     title = {Sur la sommation de certaines s\'eries},
     journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale},
     pages = {181--185},
     publisher = {Carilian-Goeury et Vor Dalmont},
     volume = {4e s{\'e}rie, 12},
     year = {1912},
     language = {fr},
     url = {http://archive.numdam.org/item/NAM_1912_4_12__181_1/}
}