\input zb-basic
\input zb-ioport
\iteman{io-port 05165607}
\itemau{Schrijver, Alexander}
\itemti{On the history of combinatorial optimization.}
\itemso{Aardal, K. (ed.) et al., Discrete optimization. Amsterdam: Elsevier (ISBN 0-444-51507-0/hbk). Handbooks in Operations Research and Management Science 12, 1-68 (2005).}
\itemcc{}
\itemut{}
\itemli{}
\end