@Book{Pringsheim1900,
author  = "Pringsheim, Alfred",
title   = "Zur Theorie des Doppel-Integrals, des Green'schen und Cauchy'schen Integralsatzes",
year    = "1900",
address = "München",
series  = "Sitzungsberichte",
volume  = "1899,3",
url     = "https://publikationen.badw.de/en/003391839",
}