00433nam a2200181 a 450000500170000002000150001708200130003210000130004510000140005824500480007226000290012030000240014949000390017350000190021260000080023185600060023985600060024520251203112344.0  a8181280652  a511bLOV  aLovasz L  aPelikan J  aDiscrete mathematicsbelementary and beyond  aNew YorkbSpringerc2003  aix,290p.c22cm.bPB  aUndergraduate texts in Mathematics  aincludes index  bc_  f_  a_