\input zb-basic
\input zb-ioport
\iteman{io-port 70319191}
\itemau{Bartal, Yair; Koutsoupias, Elias}
\itemti{On the competitive ratio of the work function algorithm for the k-server problem}
\itemso{STACS, 605-613 (2000).}
\itemcc{}
\itemut{}
\itemli{doi:10.1007/3-540-46541-3\_50}
\end