@article{01404384,
title = {On convolution type functional equations.},
journal = {Mathematica Pannonica},
volume = {10},
year = {1999},
pages = {271-275},
zbl = {0936.39011},
language = {en},
url = {http://dml.mathdoc.fr/item/01404384}
}
Székelyhidi, László. On convolution type functional equations.. Mathematica Pannonica, Tome 10 (1999) pp. 271-275. http://gdmltest.u-ga.fr/item/01404384/