TY  - BOOK
AU  - Crossley,John N
AU  - Nerode,Anil
TI  - Combinatorial functors
SN  - 0387064281
PY  - 1974///
CY  - New York
PB  - Springer-Verlag
KW  - Functor theory
KW  - Combinatorial analysis
N1  - Bibliography : p. 139-140
ER  -