000 00348nam a2200145Ia 4500
008 230915s9999 xx 000 0 und d
082 _a SHA
100 _aSharma, Sanjay
245 0 _aOperation Research And Engineering Mathamatics
260 _aNEW DELHI
260 _bKEDAR NATH
260 _c2007
300 _a570
650 _aMathematics
999 _c160597
_d160597