@article{AFM_1997_22_1_a10,
     author = {Ilkka Holopainen and Paolo M. Soardi},
     title = {A strong {Liouville} theorem for p-harmonic functions on graphs},
     journal = {Annales Fennici Mathematici},
     pages = {205--226},
     publisher = {mathdoc},
     volume = {22},
     number = {1},
     year = {1997},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AFM_1997_22_1_a10/}
}