@book{id_10172, author = "Koenigsberger, Leo", title = "Die Irreductibilität der algebraischen partiellen Differentialgleichungssysteme", year = "1891", address = "München", publisher = "Verl.d.K.Akad.", series = "Sitzungsbericht der Bayerischen Akademie der Wissenschaften", volume = "1891,12.", url = "http://publikationen.badw.de/de/003392697", }