TY  - JOUR
AU  - H. Kestelman
TI  - On the functional equation f(x+y) =f(x) +f(y)
JO  - Fundamenta Mathematicae
PY  - 1947
SP  - 144
VL  - 34
IS  - 1
PB  - mathdoc
UR  - https://geodesic-test.mathdoc.fr/item/FUNDAM_1947__34_1_213122/
LA  - en
ID  - FUNDAM_1947__34_1_213122
ER  -