000 00302nam a2200133Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aVatssa B S
245 0 _aDiscrete Mathematics
250 _a3rd Ed.
260 _bWishwa Prakashan
_c1993
300 _a273
650 _aMathematics
942 _cBK
999 _c31710
_d31710