\input zb-basic
\input zb-ioport
\iteman{io-port 05749621}
\itemau{Marx, D\'aniel; O'sullivan, Barry; Razgon, Igor}
\itemti{Treewidth reduction for constrained separation and bipartization problems.}
\itemso{Comput. Res. Repos. 2009, Article No. 0902.3780 (2009).}
\itemcc{}
\itemut{}
\itemli{arXiv:0902.3780}
\end