TY  - JOUR
AU  - Kazimierz Dankiewicz
TI  - On approximate solutions of a functional equation in the class of differentiable functions
JO  - Annales Polonici Mathematici
PY  - 1988
SP  - 247
EP  - 252
VL  - 49
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/ap-49-3-247-252/
DO  - 10.4064/ap-49-3-247-252
LA  - en
ID  - 10_4064_ap_49_3_247_252
ER  -