@incollection{Sonin_2008,
    doi = {10.1214/074921708000000264},
    url = {https://doi.org/10.1214%2F074921708000000264},
    year = {2008},
    publisher = {Institute of Mathematical Statistics},
    pages = {1--15},
    author = {Isaac M. Sonin},
    title = {The Decomposition-Separation Theorem for Finite Nonhomogeneous Markov Chains and Related Problems},
    booktitle = {Institute of Mathematical Statistics Collections}
}

@incollection{Sonin_2008, doi = {10.1214/074921708000000264}, url = {https://doi.org/10.1214%2F074921708000000264}, year = {2008}, publisher = {Institute of Mathematical Statistics}, pages = {1--15}, author = {Isaac M. Sonin}, title = {The Decomposition-Separation Theorem for Finite Nonhomogeneous Markov Chains and Related Problems}, booktitle = {Institute of Mathematical Statistics Collections} }