TY  - BOOK
AU  - Cohen,Daniel I.A.
TI  - Basic techniques of combinatorial theory
SN  - 0471035351
AV  - QA164 .C6
U1  - 511/.6 
PY  - 1978///
CY  - New York
PB  - Wiley
KW  - Combinatorial analysis
N1  - Includes index
ER  -