@Article{138593,
     author = "Claude Vandersleyen",
     title = "La date de la prefecture de Sossianus Hierocles en Égypte : (a propos de P. Cairo-Boak 57049) ",
     year =  1961,
     volume =  13,
     number =  ,
     journal =  The Journal of Juristic Papyrology,
     pages =  s. 109-122,
    }