@article{10_4064_ap93_1_7,
     author = {Robert Dalmasso},
     title = {On the mean-value property of superharmonic functions},
     journal = {Annales Polonici Mathematici},
     pages = {85--90},
     year = {2008},
     volume = {93},
     number = {1},
     doi = {10.4064/ap93-1-7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap93-1-7/}
}