TY - BOOK AU - Graham, Ronald L., AU - Knuth, Donald Ervin, TI - Concrete mathematics : a foundation for computer science SN - 9788131708415 U1 - 510 GRA (3) PY - 1994/// CY - New Delhi PB - Pearson Education N1 - Includes bibliographical references (p. 604-631) and index. ER -