@Book{Pringsheim1902,
author  = "Pringsheim, Alfred",
title   = "Ueber die Divergenz gewisser Potenzreihen an der Convergenzgrenze",
year    = "1902",
address = "München",
series  = "Sitzungsberichte",
volume  = "1901,22",
url     = "https://publikationen.badw.de/en/003384773",
}