@article{AM2_1984__27_137024,
     author = {Zbigniew Gajda},
     title = {Additive and convex functions in linear topological space.},
     journal = {Aequationes mathematicae},
     pages = {214--219},
     publisher = {mathdoc},
     volume = {27},
     year = {1984},
     zbl = {0546.39003},
     url = {http://geodesic.mathdoc.fr/item/AM2_1984__27_137024/}
}