@article{01221913, title = {Covariance and relaxation time in finite Markov chains.}, journal = {Journal of Applied Mathematics and Stochastic Analysis}, volume = {11}, year = {1998}, pages = {391-396}, doi = {10.1155/S104895339800032X}, zbl = {0913.60069}, language = {en}, url = {http://dml.mathdoc.fr/item/01221913} }
Keilson, Julian. Covariance and relaxation time in finite Markov chains.. Journal of Applied Mathematics and Stochastic Analysis, Tome 11 (1998) pp. 391-396. doi : 10.1155/S104895339800032X. http://gdmltest.u-ga.fr/item/01221913/