00405nam a22001457a 4500008004100000020001500041050002500056100001600081245005300097260003500150300001000185650002600195700002000221700001800241210105b        xxu||||| |||| 00| 0 eng d  a9380199559  aQA304b.S56 2017 c.1  aSingh, U.P.  aA Textbook of Differential Calculus cU.P. Singh  aNew DelhibWisdom Pressc2017   a240p.  aDifferential Calculus  aR.J. Srivastava  aN.H. Siddiqui