Rosen, Kenneth H. Discrete mathematics & its applications : with combinatorics and graph theory / Kenneth H. Rosen. - 4th, 5th, 6th, 7th ed. - New Delhi : Tata McGraw-Hill, c2007. - xxi, 926 p. : ill. ; 28 cm. ISBN: 9780070648241 Subjects--Topical Terms: Mathematics.Discrete mathematics.Algebra Dewey Class. No.: 511.1