%0 Journal Article %A B. P. Harlamov %T Characteristic operator and curve integral for semi-Markov process %J Zapiski Nauchnykh Seminarov POMI %D 1989 %P 170-180 %V 177 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1989_177_a23/ %G ru %F ZNSL_1989_177_a23