000 00276nam a2200109Ia 4500
008 230901s9999 xx 000 0 eng d
100 _aSingh (Bhupindra)
245 0 _aDiscrete Mathematical and Application
250 _a1
260 _bKHANNA PUBLISHER
942 _2ddc
_cSCIENCE
999 _c18305
_d18305