@article{Serva2006,
	title = {A Markov model of financial returns},
	author = {M. Serva and U. L. Fulco and I. M. Gl{\'e}ria and M. L. Lyra and F. Petroni and G. M. Viswanathan},
	day = {01},
	journal = {Physica A: Statistical Mechanics and its Applications},
	month = {May},
	number = {2},
	pages = {393--403},
	url = {http://www.sciencedirect.com/science/article/B6TVG-4HBSJXF-1/1/65b78df5a68f372476831c594da95e90},
	volume = {363},
	year = {2006},
	biburl = {http://www.bibsonomy.org/bibtex/2140d4ddc26357faa53baabeb67014049/smicha},
	description = {Physica A},
	keywords = {Times analysis series }
}