00360nam a2200133Ia 4500008004100000020000700041040003000048082001500078100001400093245005500107260003700162300001100199650001600210190302s9999||||xx |||||||||||||| ||und||  c57  aKharagpur College Library  a517.3bDAS  aB. C. Das  aIntegral calculus Including Differential Equations  bU.N.Dhur and SonsaKolkatac1938  a480 p.  aMathematics