@article{05637299, title = {Semi-Markov reliability models with recurrence times and credit rating applications.}, journal = {Journal of Applied Mathematics and Decision Sciences}, volume = {2009}, year = {2009}, doi = {10.1155/2009/625712}, zbl = {1175.91190}, language = {en}, url = {http://dml.mathdoc.fr/item/05637299} }
D'Amico, Guglielmo; Janssen, Jacques; Manca, Raimondo. Semi-Markov reliability models with recurrence times and credit rating applications.. Journal of Applied Mathematics and Decision Sciences, Tome 2009 (2009) . doi : 10.1155/2009/625712. http://gdmltest.u-ga.fr/item/05637299/