@article{JMPA_1841_1_6__81_0,
     author = {Catalan, E.},
     title = {Th\'eor\`eme sur la r\'eduction d'une int\'egrale multiple},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {81--84},
     publisher = {Gauthier-Villars},
     volume = {1e s{\'e}rie, 6},
     year = {1841},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1841_1_6__81_0/}
}