@article{JRAM_1910__138_149332,
     author = {Adolf Fraenkel},
     title = {Die {Berechnung} des {Osterfestes.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {133--146},
     publisher = {mathdoc},
     volume = {138},
     year = {1910},
     zbl = {41.1018.02},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1910__138_149332/}
}