On the distribution of a rotationally invariant α-stable process at the hitting time of a given hyperplane за авторством Osypchuk, M.M., Portenko, M.I.

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One class of multidimensional stochastic differential equations having no property of weak uniqueness of a solution за авторством Aryasova, O.V., Portenko, M.I.

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An example of a stochastic differential equation with the property of weak non-uniqueness of a solution за авторством Kopytko, B.I., Portenko, M.I.

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One example of a random change of time that transforms a generalized diffusion process into an ordinary one за авторством Aryasova, O.V., Portenko, M.I.

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A uniqueness theorem for the martingale problem describing a diffusion in media with membranes за авторством Aryasova, O.V., Portenko, M.I.

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