00340nam a2200133Ia 4500008004000000041000800040082001200048100001800060245003700078260004600115650001500161650001700176650001300193210210b1927   xxu||||| |||| 00| 0 eng d  aeng  a513/112  aPARSONS (G L)  aElementary differential calculus  aLondonbCambridge  University Pressc1927  aElementary  adifferential  acalculus