@article{GDZPPN002027887, title = {On Functions Satisfying a Generalized Mean Value Equation.}, journal = {Aequationes mathematicae}, volume = {10}, year = {1974}, pages = {1-10}, zbl = {0291.39007}, url = {http://dml.mathdoc.fr/item/GDZPPN002027887} }
Swiatak, Halina; Lawruk, Bohdan. On Functions Satisfying a Generalized Mean Value Equation.. Aequationes mathematicae, Tome 10 (1974) pp. 1-10. http://gdmltest.u-ga.fr/item/GDZPPN002027887/