@article{AM2_1986__31_137145, author = {Witold Jarczyk}, title = {Nonlinear functional equations and their {Baire} category properties.}, journal = {Aequationes mathematicae}, pages = {81--100}, publisher = {mathdoc}, volume = {31}, year = {1986}, zbl = {0608.39002}, url = {http://geodesic.mathdoc.fr/item/AM2_1986__31_137145/} }