@book{247044,
	author = {Obzherin, Yuriy E., and Boyko, Elena G.,},
	title = {Semi-markov models : control of restorable systems with latent failures / },
	publisher = {Academic Press,},
	year = {2015.},
	address = {London :},
	url = {http://www.sciencedirect.com/science/book/9780128022122}
}