@article{NAM_1904_4_4__533_1,
     author = {Hadamard},
     title = {Sur un point de la th\'eorie des percussions},
     journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale},
     pages = {533--535},
     year = {1904},
     publisher = {Carilian-Goeury et Vor Dalmont},
     volume = {4e s{\'e}rie, 4},
     language = {fr},
     url = {https://www.numdam.org/item/NAM_1904_4_4__533_1/}
}