TY  - BOOK
AU  - Grimaldi, Ralph P.
TI  - Discrete and combinatorial mathematics: : applied introduction 
SN  - 8178086514
U1  - 511.8  4
PY  - 2004///
CY  - New Delhi
PB  - Pearson
KW  - Fundamental principles of counting
KW  - Properties of the intergers mathematical induction
ER  -