@article{1102986027,
author = {Haruki, Hiroshi},
title = {On inequalities generalizing a Pythagorean functional equation and Jensen's functional equation.},
journal = {Pacific J. Math.},
volume = {27},
number = {3},
year = {1968},
pages = { 85-90},
language = {en},
url = {http://dml.mathdoc.fr/item/1102986027}
}
Haruki, Hiroshi. On inequalities generalizing a Pythagorean functional equation and Jensen's functional equation.. Pacific J. Math., Tome 27 (1968) no. 3, pp. 85-90. http://gdmltest.u-ga.fr/item/1102986027/