%0 Journal Article %A A. A. Yushkevich %T Differentiability of transition probabilities of a homogeneous Markov process with countably many states %J Uchenye Zapiski Moskovskogo Gosudarstvennogo Universiteta %D 1959 %P 141-159 %V 186 %N 186 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZMU_1959_186_186_a8/ %G ru %F UZMU_1959_186_186_a8