@article{2558, author = {Henney, Dagmar R.}, title = {The structure of set-valued additive functions}, journal = {Portugaliae mathematica}, volume = {26}, year = {1967}, pages = {463-471}, zbl = {0198.19301}, mrnumber = {0254625}, language = {en}, url = {http://dml.mathdoc.fr/item/2558} }
Henney, Dagmar R. The structure of set-valued additive functions. Portugaliae mathematica, Tome 26 (1967) pp. 463-471. http://gdmltest.u-ga.fr/item/2558/