@article{AFM_2000_25_2_a3,
     author = {Luigi Greco and Anna Verde},
     title = {A regularity property of p-harmonic functions},
     journal = {Annales Fennici Mathematici},
     pages = {317--323},
     year = {2000},
     volume = {25},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AFM_2000_25_2_a3/}
}