000 00302nam a2200133Ia 4500
008 191107s2019 xx 000 0 und d
020 _a9389108500
082 _a512-BHA
100 _aBhagat M D
245 _aDiscrete Mathematics
250 _a1
260 _bNirali Prakashan
_c2019
300 _a180
999 _c207609
_d207609