@article{JMPA_1841_1_6__36_0,
     author = {Liouville, J.},
     title = {Sur l'int\'egrale $\int^{\pi}_{\mathrm{o}}\cos i\left(u-x \sin u\right)du$},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {36--36},
     publisher = {Gauthier-Villars},
     volume = {1e s{\'e}rie, 6},
     year = {1841},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1841_1_6__36_0/}
}