@article{JMPA_1919_8_2__201_0,
     author = {Crudeli, Umberto},
     title = {La notion d'\'energie utile de la {Thermodynamique}},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {201--210},
     publisher = {Gauthier-Villars},
     volume = {8e s{\'e}rie, 2},
     year = {1919},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1919_8_2__201_0/}
}