000 00290nam a2200133Ia 4500
100 _aRoss, Sheldon, M.
020 _a8131203077
365 _cRS
365 _d1
942 _cENGBK
245 _aDiscrete mathematical structures
260 _bElsevier
_c2006
_aNew Delhi
300 _axii+288
999 _c13210
_d13210