\input zb-basic
\input zb-ioport
\iteman{io-port 70552102}
\itemau{Bonatti, Piero A.; Tettamanzi, Andrea}
\itemti{Some complexity results on fuzzy description logics}
\itemso{WILF, 19-24 (2003).}
\itemcc{}
\itemut{}
\itemli{doi:10.1007/10983652\_3}
\end