%0 Journal Article %A I. Koźniewska %T Ergodicity of non-homogeneous Markov chains with two states %J Colloquium Mathematicum %D 1957 %P 208-215 %V 5 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-5-2-208-215/ %R 10.4064/cm-5-2-208-215 %G en %F 10_4064_cm_5_2_208_215