%0 Journal Article %A S. S. Samarova %T On the number of time intervals of constant sojourn in a fixed state for an ergodic Markov chain %J Doklady Akademii Nauk %D 1981 %P 35-40 %V 260 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1981_260_1_a7/ %G ru %F DAN_1981_260_1_a7