@article{FUNDAM_1947__34_1_213122,
     author = {H. Kestelman},
     title = {On the functional equation f(x+y) =f(x) +f(y)},
     journal = {Fundamenta Mathematicae},
     pages = {144},
     publisher = {mathdoc},
     volume = {34},
     number = {1},
     year = {1947},
     zbl = {0032.02804},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/FUNDAM_1947__34_1_213122/}
}