@article{AM2_1997__54_3_137702,
     author = {Enrique Castillo and Andres Iglesias},
     title = {A package for symbolic solution of real functional equations of real variables.},
     journal = {Aequationes mathematicae},
     pages = {181--198},
     publisher = {mathdoc},
     volume = {54},
     number = {3},
     year = {1997},
     zbl = {0881.39015},
     url = {http://geodesic.mathdoc.fr/item/AM2_1997__54_3_137702/}
}