@article{01604180,
title = {Note on a functional equation related to the power means.},
journal = {Mathematica Pannonica},
volume = {11},
year = {2000},
pages = {199-204},
zbl = {0973.39015},
language = {en},
url = {http://dml.mathdoc.fr/item/01604180}
}
Sikorska, Justyna. Note on a functional equation related to the power means.. Mathematica Pannonica, Tome 11 (2000) pp. 199-204. http://gdmltest.u-ga.fr/item/01604180/