@article{MOMA_1990__109_2_178472,
     author = {K. Bruce Erickson},
     title = {The {Strong} {Liouville} {Property} for a {Class} of {Random} {Walks.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {237--246},
     publisher = {mathdoc},
     volume = {109},
     number = {2},
     year = {1990},
     zbl = {0712.60081},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1990__109_2_178472/}
}