@article{BSMF_1905__33__73_0,
     author = {Hadamard, J.},
     title = {Sur quelques questions de calcul des variations},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {73--80},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {33},
     year = {1905},
     doi = {10.24033/bsmf.741},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/bsmf.741/}
}