\input zb-basic
\input zb-ioport
\iteman{io-port 50022582}
\itemau{Friedgut, Ehud}
\itemti{A katona-type proof of an Erd\H{o}s-ko-rado-type theorem}
\itemso{J. Comb. Theory, Ser. A 111, No. 2, 239-244 (2005).}
\itemcc{}
\itemut{}
\itemli{doi:10.1016/j.jcta.2004.12.004}
\end