@incollection{
BusErn:07-030,
author={L. Bu{\c{s}}oniu and D. Ernst and B. {D}e Schutter and R.
Babu{\v{s}}ka},
title={Continuous-state reinforcement learning with fuzzy approximation},
booktitle={Adaptive Agents and Multi-Agent Systems III.\ Adaptation and
Multi-Agent Learning},
series={Lecture Notes in Computer Science},
volume={4865},
editor={K. Tuyls and A. Now\'e and Z. Guessoum and D. Kudenko},
publisher={Springer},
address={Berlin, Germany},
pages={27--43},
year={2008},
doi={
10.1007/978-3-540-77949-0_3}
}