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1 - Färbungsprobleme auf Flächen und Graphen
Ringel, Gerhard (1919-2008)

Cote : [08.7 RIN 59]

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2 - Representation theory of finite groups and finite-dimensional algebras
Michler, Gerhard O (1938-....)   /   Ringel, Claus Michael (Collab.)

Cote : [20 CON 91]