@article{
LenBab:08-001,
author={{\relax Zs}. Lendek and R. Babu{\v{s}}ka and B. {D}e Schutter},
title={Stability of Cascaded Fuzzy Systems and Observers},
journal={IEEE Transactions on Fuzzy Systems},
volume={17},
number={3},
pages={641--653},
month=jun,
year={2009},
doi={
10.1109/TFUZZ.2008.924353}
}