TY  - JOUR
AU  - M. Kuczma
TI  - On the functional equation f(x + y) — f(x) + f (y)
JO  - Fundamenta Mathematicae
PY  - 1961
SP  - 387
EP  - 391
VL  - 50
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm-50-4-387-391/
DO  - 10.4064/fm-50-4-387-391
LA  - en
ID  - 10_4064_fm_50_4_387_391
ER  -