@article{
DeSDeM:96-30,
author={B. {D}e Schutter and B. {D}e Moor},
title={A note on the characteristic equation in the max-plus algebra},
journal={Linear Algebra and Its Applications},
volume={261},
number={1--3},
pages={237--250},
month=aug,
year={1997},
doi={
10.1016/S0024-3795(96)00407-7}
}