TY - BOOK AU - Stanley,Richard P. ED - University of Cambridge TI - Enumerative combinatorics T2 - Cambridge studies in advanced mathematics SN - 0-521-56069-1 AV - QA164.8 S73 1999 PY - 1999/// CY - Cambridge PB - Cambridge University Press KW - Problemas combinatorios de enumeraciĆ³n N1 - "Volume 2" ER -