GROUPS, RINGS AND GALOIS THEORY,Galois theory (Chapman and Hall mathematics series),Introduction to Abstract Algebra, An: Sets, Groups, Rings, and Fields (Hardcover) | Harvard Book Store,Galois Theory,Graph Theory, Combinatorics and Algorithms: Interdisciplinary Applications: Golumbic, Martin Charles, Hartman, Irith Ben-Arroyo: 9780387243474: ,