00388nam a2200145Ia 4500008004100000020000800041040003000049082001600079100001300095245004600108260004000154300001100194650001600205700002100221190302s9999||||xx |||||||||||||| ||und||  a230  aKharagpur College Library  a515.43bDAS  aB.C. Das  aIntegral CalculusbDifferential equations  bU. N. Dhur and Sons.aKolkatac1938  a621 p.  aMathematics  aB. N.  Mukherjee