000			00367 a2200145 4500
082			_a517.2 _bDAS ed.17
090			_c2665 _d2665
100			_aDas, B.C.
245			_aDifferential calculus _cB.C.Das and B.N.Mukherjee
250			_a7th ed
260			_aCalcutta _bUpendranath Dhur
300			_axvi, 396p.
650			_aMATHEMATICS
942			_aGCL _cBOOK _k517.2 DAS ed.7
999			_c2545 _d2545