@article{GDZPPN002418207, title = {Cones of Hyperharmonic Functions.}, journal = {Mathematische Zeitschrift}, volume = {147}, year = {1976}, pages = {71-88}, zbl = {0319.31011}, url = {http://dml.mathdoc.fr/item/GDZPPN002418207} }
Bliedtner, Jürgen; Hansen, Wolfhard. Cones of Hyperharmonic Functions.. Mathematische Zeitschrift, Tome 147 (1976) pp. 71-88. http://gdmltest.u-ga.fr/item/GDZPPN002418207/