@article{JMPA_1920_8_3__153_0,
     author = {Hamy, Maurice},
     title = {Sur un cas de diffraction des images des astres circulaires},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {153--243},
     publisher = {Gauthier-Villars},
     volume = {8e s{\'e}rie, 3},
     year = {1920},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1920_8_3__153_0/}
}