@article{AM2_1987__32_137186, author = {Maciej Sablik}, title = {Generating solutions of some {Cauchy} and cosine functional equations.}, journal = {Aequationes mathematicae}, pages = {216--226}, publisher = {mathdoc}, volume = {32}, year = {1987}, zbl = {0619.39011}, url = {http://geodesic.mathdoc.fr/item/AM2_1987__32_137186/} }