TY - GEN AU - Graham, Ronald L. AU - Knuth, Donald E. AU - Pastashnik, Oren TI - Concrete mathematics: a foundation for computer science SN - 978-81-317-0841-5 U1 - 510 PY - 1994///, r2009 CY - New Delhi PB - Pearson Education KW - CONCTERTE MATHEMATICS ER -