@INPROCEEDINGS{2014:CDC_MCapprox,
author={Tzortzis, I. and Charalambous, C.D. and Charalambous, T. and Hadjicostis, C.N. and Johansson, M.},
booktitle={IEEE 53rd Annual Conference on Decision and Control (CDC)},
title={Approximation of Markov processes by lower dimensional processes},
year={2014},
pages={4441--4446},
month={Dec},
}