@article{10_4064_cm_5_2_208_215,
     author = {I. Ko\'zniewska},
     title = {Ergodicity of non-homogeneous {Markov} chains with two states},
     journal = {Colloquium Mathematicum},
     pages = {208--215},
     publisher = {mathdoc},
     volume = {5},
     number = {2},
     year = {1957},
     doi = {10.4064/cm-5-2-208-215},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-5-2-208-215/}
}