00381    a2200133   4500020001500000082001800015100002300033245006100056260004600117300002300163650001800186650001600204650002700220  a0070604851  a511.6076bBAL  aBalakrishnan, V.K.  aSchaum's outline of theory and problems of combinatorics  aNew DelhibTara McGraw - Hillc1995g2005  aviii, 200p.c29cm.  aCOMBINATORICS  aMATHEMATICS  aCOMBINATORIAL ANALYSIS