TY  - BOOK
AU  - Bergeron, F
AU  - Labelle, Gilbert
AU  - Leroux, P
TI  - Combinatorial species and tree-like structures
SN  - 9780521573238
SN  - 96046136
U1  - 511.5 BER 
PY  - 1998///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Combinatorial enumeration problems
N1  - Includes bibliographical references (p. [434]-446) and indexes
ER  -