@article{JMPA_1939_9_18__97_0,
     author = {Pogorzelski, Witold},
     title = {Sur une \'equation int\'egrale de premi\`ere esp\`ece},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {97--109},
     publisher = {Gauthier-Villars},
     volume = {9e s{\'e}rie, 18},
     year = {1939},
     zbl = {0020.36502},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1939_9_18__97_0/}
}