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@article{AM2_1989__38_1_137329, author = {J\'anos Acz\'el and Marek Kuczma}, title = {On two mean value properties and functional equations associated with them.}, journal = {Aequationes mathematicae}, pages = {216--235}, publisher = {mathdoc}, volume = {38}, number = {1}, year = {1989}, zbl = {0688.39006}, url = {http://geodesic.mathdoc.fr/item/AM2_1989__38_1_137329/} }
TY - JOUR AU - János Aczél AU - Marek Kuczma TI - On two mean value properties and functional equations associated with them. JO - Aequationes mathematicae PY - 1989 SP - 216 EP - 235 VL - 38 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AM2_1989__38_1_137329/ ID - AM2_1989__38_1_137329 ER -
János Aczél; Marek Kuczma. On two mean value properties and functional equations associated with them.. Aequationes mathematicae, Tome 38 (1989) no. 1, pp. 216-235. http://geodesic.mathdoc.fr/item/AM2_1989__38_1_137329/