@article{AM2_1985__28_137066,
     author = {B. Forte and R. Gupta},
     title = {Additive and subadditive entropies for discrete n-dimensional random vectors.},
     journal = {Aequationes mathematicae},
     pages = {269--287},
     publisher = {mathdoc},
     volume = {28},
     year = {1985},
     zbl = {0574.94007},
     url = {http://geodesic.mathdoc.fr/item/AM2_1985__28_137066/}
}