000 00348nam a2200157Ia 4500
100 _aChakraborty, S K & Sarkar, B K
080 _a519.4/Cha/Sar
526 _dTB
526 _aUG
366 _f20
942 _cBK
245 _aDiscrete Mathematics .
260 _aOxford University press
_bNew Delhi
_c2011
300 _axvi, 567
546 _aE
999 _c72817
_d72817