\input zb-basic
\input zb-ioport
\iteman{io-port 50000061}
\itemau{Arian, E.; Battermann, A.; Sachs, Ekkehard W.}
\itemti{Approximation of the Newton step by a defect correction process}
\itemso{Universit\"at Trier, Mathematik/Informatik, Forschungsbericht 99-12 (1999).}
\itemcc{}
\itemut{}
\itemli{}
\end