00303nam a2200109Ia 4500082001900000100003800019245003200057260004800089300002100137500000500158700003000163  a511.6bL761.CC  aLint, J. H. Van and Wilson, R. M.  aA course in combinatoricsb  aCambridgebCambridge University Pressc1992  axii, 530p. Index  a  aWilson, R. M. ; jt. auth.