@article{ZAA_1999__18_2_48563,
     author = {Gorenflo, R. and Mainardi, F.},
     title = {Approximation of {L\'evy-Feller} diffusion by random walk.},
     journal = {Zeitschrift f\"ur Analysis und ihre Anwendungen},
     pages = {231--246},
     publisher = {mathdoc},
     volume = {18},
     number = {2},
     year = {1999},
     zbl = {0948.60006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZAA_1999__18_2_48563/}
}