00331nam a2200121Ia 45000030006000000080041000060400015000471000030000622450079000922600009001715460012001800050017001920STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aLipschutz,S.; Lipson,M.L.  aSchaums solved problems series 200 solved problems in discrete mathematics  c2002  aEnglish20220125170047.0