@article{
ZeiDeS:20-017,
author={Y. Zeinaly and J.H. van Schuppen and B. {D}e Schutter},
title={Linear positive systems may have a reachable subset from the origin that
is either polyhedral or nonpolyhedral},
journal={SIAM Journal on Matrix Analysis and Applications},
volume={41},
number={1},
pages={297--307},
year={2020},
doi={
10.1137/19M1268161}
}