Contribution to the study of the non–Gaussian dynamics of stochastic magnetic field lines in a toroidal geometry (tokamak)R. Tabet, D. Saifaoui, A. Dezairi and A. RaouakEur. Phys. J. AP, 4 3 (1998) 329-336DOI: https://doi.org/10.1051/epjap:1998278