000			00475nam a22001697a 4500
999			_c12774 _d12774
008			250310b 1996 ||||| |||| 00| 0 eng d
020			_a8123904924
082			_a515.3 _bPIS
100			_aPiskunov, N.
245			_aDifferential and integral calculus vol - I
260			_aNew Delhi _bCBS Publishers _c1996
300			_a471p.
650			_aNumber variable function
650			_aDerivative and differential
650			_aLimit continuity of a function
942			_cBK