000 00287nam a2200121Ia 4500
008 190710s9999 xx 000 0 und d
082 _a512.5 T326
100 _aThakur, B R
245 0 _aDiscrete mathematics
260 _aAgra
_bRam Prasad and Sons
_c1995
300 _a262
942 _cBK
999 _c19929
_d19929