000 00285nam a2200121Ia 4500
008 220201s2017 xx 000 0 eng d
082 _a510
_bGUP
100 _aGupta, Anjana
245 0 _aDiscrete Mathematics
260 _aNew Delhi
_bS.K.Kataria
_c2017
300 _a562
942 _2ddc
999 _c64193
_d64193