@book { MaximalnilpotentsubalgebrasIIAcorrespondencetheoremwithinsolvableassociativealgebrasWith242exercises,
    title = "Maximal nilpotent subalgebras II: A correspondence theorem within solvable associative algebras. With 242 exercises",
    author = "Sven Bodo {Wirsing}",
    year = "2017",
    publisher = "Anchor Academic Publishing",
    address = "Hamburg, Germany",
    url = "https://m.anchor-publishing.com/document/380467"
}