TY  - BOOK
AU  - Lallement, Gerard.
TI  - Semigroups and combinatiorial applications / 
SN  - 0-471-04379-6
U1  - B217 
PY  - 1980///
CY  - New York : 
PB  - John Wiley & Sons,Inc. , 
KW  - Mathematics
ER  -