VEB Deutscher Verlag der Wissenschaften, Berlin, 1966
€ 11,00
24.5 x 17 cm, cloth hardcover, x, 358 pages, Text in German, paper browned, although very good condition, see picture.
Mathematische Monographien, Bd. 7. Comprehensive introduction to category theory, covering fundamental concepts, functors, and natural transformations. Early German exposition influenced by Eilenberg and Mac Lane’s foundational work.