TY - JOUR AU - B. P. Harlamov TI - Additive functionals and a time change which preserves the semi-Markov property of a process JO - Zapiski Nauchnykh Seminarov POMI PY - 1980 SP - 203 EP - 216 VL - 97 UR - http://geodesic.mathdoc.fr/item/ZNSL_1980_97_a20/ LA - ru ID - ZNSL_1980_97_a20 ER -