An introduction to sets, groups, and matices By Balfour, A. Books / Other Science, Technology, Engineering, Mathematics › Mathematics Publisher: Arco, January 1965 Price $129.99 Free Shipping Send to a friend Used - Good Good condition. Paperback edition. Stamp on half title. (set theory) A copy that has been read but remains intact. May contain markings such as bookplates, stamps, limited notes and highlighting, or a few light stains. $129.99 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.