Ross Kenneth A Discrete mathematics / Kenneth A. Ross, Charles R.B. Wright. - Upper Saddle River, N.J. : Prentice Hall, c2003. - xvi, 612 p. : ill. (some col.) ; 29 cm. Includes index. ISBN: 0130652474 Subjects--Topical Terms: Computer science--Mathematics LC Class. No.: QA76.9.M35