Graham, Ronald L. Concrete mathematics / By Ronald L Graham, Donald E Knuth and Oren Patashnik. - 2nd ed. - New Delhi : Pearson Education , 2002. - xiii,657p. ; 24 cm. ISBN: 8178085437 Subjects--Topical Terms: Integar functionsSpecial numbersDiscrete probability Dewey Class. No.: 512.7 / GRAR