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Algebraic Topology. Aarhus 1982 von I. Madsen, B. Oliver. Bücher | Orell Füssli
Hokus Pokus (Hans "Severus" Ernst, Hans Herrmann, Willy "Tex Williams" Peter, Oscar "Oscarelli" Rey, Charles-Emile "Prof. Rex" Sauty, Dr. William Weyeneth, Peter Wilker)
On the Commutative Ring Extensions with at Most Two Non Prüfer Intermediate Rings | Request PDF