@article{NAM_1883_3_2__481_0,
     author = {Resal, H.},
     title = {Sur la th\'eorie des tautochrones},
     journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale},
     pages = {481--493},
     publisher = {Carilian-Goeury et Vor Dalmont},
     volume = {3e s{\'e}rie, 2},
     year = {1883},
     language = {fr},
     url = {http://archive.numdam.org/item/NAM_1883_3_2__481_0/}
}