@article{Koopman2000,
	title = {Fast Filtering and Smoothing for Multivariate State Space Models},
	author = {S. J. Koopman and J. Durbin},
	day = {122},
	journal = {Journal of Time Series Analysis},
	month = {May},
	note = {doi: 10.1111/1467-9892.00186},
	number = {3},
	pages = {281--296},
	url = {http://www.blackwell-synergy.com/doi/abs/10.1111/1467-9892.00186},
	volume = {21},
	year = {2000},
	biburl = {http://www.bibsonomy.org/bibtex/2b8361835b8136e758b625d5f349c5a56/smicha},
	keywords = {imported }
}