000 00275nam a2200109Ia 4500
008 221117b |||||||| |||| 00| 0 eng d
040 _aBGL
_cBGL
100 _aLipschutz, Lipson
245 0 _aDiscreate mathematics
260 _aNew Delhi
_bTata Mc Graw-Hill
_c2009
942 _cGB
999 _c31129
_d31129