@article{03745556,
title = {Yet another characterization of the sine function.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {4},
year = {1981},
pages = {371-381},
doi = {10.1155/S0161171281000239},
zbl = {0475.30008},
language = {en},
url = {http://dml.mathdoc.fr/item/03745556}
}
Gervais, Robert; Rubel, Lee A. Yet another characterization of the sine function.. International Journal of Mathematics and Mathematical Sciences, Tome 4 (1981) pp. 371-381. doi : 10.1155/S0161171281000239. http://gdmltest.u-ga.fr/item/03745556/