@article{
LenBab:07-017,
author={{\relax Zs}. Lendek and R. Babu{\v{s}}ka and B. {D}e Schutter},
title={Distributed {Kalman} Filtering for Cascaded Systems},
journal={Engineering Applications of Artificial Intelligence},
volume={21},
number={3},
pages={457--469},
month=apr,
year={2008},
doi={
10.1016/j.engappai.2007.05.002}
}