@article{
DeSBlo:97-68,
author={B. {D}e Schutter and V. Blondel and R. de Vries and B. {D}e Moor},
title={On the boolean minimal realization problem in the max-plus algebra},
journal={Systems \& Control Letters},
volume={35},
number={2},
pages={69--78},
month=sep,
year={1998},
doi={
10.1016/S0167-6911(98)00035-8}
}