@article{JMPA_1913_6_9__77_0,
     author = {N\"orlund, N.-E.},
     title = {Sur une classe d'int\'egrales d\'efinies},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {77--88},
     publisher = {Gauthier-Villars},
     volume = {6e s{\'e}rie, 9},
     year = {1913},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1913_6_9__77_0/}
}