00427nam a22001457a 4500008004500000020001500045082001500060100001700075245004700092260003600139300001000175650002900185650003200214650003500246250310b     1996      ||||| |||| 00| 0 eng d  a8123904924  a515.3bPIS  aPiskunov, N.  aDifferential and integral calculus vol - I  aNew DelhibCBS Publishersc1996  a471p.  aNumber variable function  aDerivative and differential  aLimit continuity of a function