
Concrete mathematics,Graham,Knuth,Patashnik, h/c, 625 pp,

Concrete Mathematics: A Foundation for Computer Science,

Concrete mathematics,Graham,Knuth,Patashnik, h/c, 625 pp,

A Concrete Approach to Abstract Algebra (Dover Books on,

Concrete mathematics,Graham,Knuth,Patashnik, h/c, 625 pp