Continuous Markovian model for Lévy random walks with superdiffusive and superballistic regimesI. A. Lubashevsky, A. Heuer, R. Friedrich and R. UsmanovEur. Phys. J. B, 78 2 (2010) 207-216DOI: https://doi.org/10.1140/epjb/e2010-10422-4