JOHNSONBAUGH, Richard, Discrete mathematics / - 6th ed. - Upper Saddle River, N.J. : Pearson Prentice Hall, 2005. - xvi , 672 p . : ill . ; 28 cm. ISBN: 0131176862 ISSN: 9780131277670 Subjects--Topical Terms: Mathematics.Computer science--Mathematics Dewey Class. No.: 510