\input zb-basic
\input zb-ioport
\iteman{io-port 05886667}
\itemau{Jha, V.N.}
\itemti{Local behaviour of cubic spline interpolation.}
\itemso{Ganita 55, No. 1, 41-46 (2004).}
\itemcc{}
\itemut{}
\itemli{}
\end