@article{BSMF_1912__40__244_1,
     author = {Delassus, E.},
     title = {Sur le principe des travaux virtuels},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {244--265},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {40},
     year = {1912},
     doi = {10.24033/bsmf.907},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/bsmf.907/}
}