TY  - JOUR
AU  - Stefan Czerwik
TI  - On the existence and uniqueness of convex solutions of a functional equation in the indeterminate case
JO  - Annales Polonici Mathematici
PY  - 1974
SP  - 5
EP  - 8
VL  - 30
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/ap-30-1-5-8/
DO  - 10.4064/ap-30-1-5-8
LA  - en
ID  - 10_4064_ap_30_1_5_8
ER  -