Unsolved Problems in Number Theory, 3rd Edition (Hardcover) Be the first to review this product In stock $38.36 Quick Overview Unsolved Problems in Number Theory, 3rd Edition (Hardcover) Condition: 100% BRAND NEW Author: Richard K. Guy Edition: 3 International Publisher: Springer International Pub. Date: July 13, 2004 Cover: HARDCOVER International ISBN-13: 9780387208602 International ISBN-10: 0387208607 Quantity: Add to Cart Add To Wishlist Add To Compare « Back to Main Product Info Reviews Write Your Own Review Nickname* Summary* Review* Submit Review Be the first to review this product