%0 Journal Article %A J. Tomko %T On the Theory of Semi-Markov Processes with a~General Sample Space %J Teoriâ veroâtnostej i ee primeneniâ %D 1989 %P 314-329 %V 34 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1989_34_2_a6/ %G ru %F TVP_1989_34_2_a6