000 00272nam a22001217a 4500
008 190305b xxu||||| |||| 00| 0 eng d
082 _a510bis
100 _aBisht,R.K
_99216
245 _aDiscrete Mathematics
300 _a592
650 _2Mathematics
942 _2ddc
_cBK
999 _c25321
_d25321