\input zb-basic
\input zb-ioport
\iteman{io-port 50296693}
\itemau{Lindquist, Anders; Picci, Giorgio; Ruckebusch, Guy}
\itemti{On minimal splitting subspaces and Markovian representations}
\itemso{Mathematical Systems Theory 12, 271-279 (1979).}
\itemcc{}
\itemut{}
\itemli{doi:10.1007/BF01776578}
\end