@article{NAM_1927_6_2__257_0,
     author = {Hadamard, J.},
     title = {R\'ecents progr\`es de la g\'eom\'etrie anallagmatique},
     journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale},
     pages = {257--270},
     publisher = {Carilian-Goeury et Vor Dalmont},
     volume = {6e s{\'e}rie, 2},
     year = {1927},
     language = {fr},
     url = {http://www.numdam.org/item/NAM_1927_6_2__257_0/}
}