\input zb-basic
\input zb-ioport
\iteman{io-port 70392754}
\itemau{B\'eny, C\'edric}
\itemti{Conditions for the approximate correction of algebras}
\itemso{TCQ, 66-75 (2009).}
\itemcc{}
\itemut{}
\itemli{doi:10.1007/978-3-642-10698-9\_7}
\end