@Book{Dyck1914,
author  = "Dyck, Walther von",
title   = "Ueber den Verlauf der Integralkurven einer homogenen Differentialgleichung erster Ordnung",
year    = "1914",
address = "München",
series  = "Abhandlungen",
volume  = "26,10",
url     = "https://publikationen.badw.de/en/003071241",
}