Johnsonbaugh, Richard Discrete mathematics / Richard Johnsonbaugh. - 4th ed. - NewJersey : Prentics Hall, c1997. - xiv, 701 p. ; Includes bibliographical references (p. 615-620) and index. ISBN: 0135711916 Subjects--Topical Terms: MathamaticalAnalysis LC Class. No.: QA39.2 / .J64 1997