@article{1138035541,
author = {Ozawa, Mitsuru},
title = {A characterization of the cosine function by the value distribution},
journal = {Kodai Math. J.},
volume = {1},
number = {1},
year = {1978},
pages = { 213-218},
language = {en},
url = {http://dml.mathdoc.fr/item/1138035541}
}
Ozawa, Mitsuru. A characterization of the cosine function by the value distribution. Kodai Math. J., Tome 1 (1978) no. 1, pp. 213-218. http://gdmltest.u-ga.fr/item/1138035541/