@inproceedings{
DeSDeM:98-41,
author={B. {D}e Schutter and V. Blondel and B. {D}e Moor},
title={On the complexity of the boolean minimal realization problem in the
max-plus algebra},
booktitle={Advances in Systems, Signals, Control and Computers
\normalfont(Proceedings of the International Conference on Systems, Signals,
Control, Computers (SSCC'98), Durban, South Africa, Sept. 1998)},
volume={II},
editor={V.B. Baji\'c},
pages={451--455},
year={1998}
}