@article{AM2_1981__22_136884,
     author = {Halina Swiatak},
     title = {On alternatives equivalent to the {Cauchy} functional equation and a related equation. {(Short} {Communication).}},
     journal = {Aequationes mathematicae},
     pages = {317--318},
     publisher = {mathdoc},
     volume = {22},
     year = {1981},
     zbl = {0498.39005},
     url = {http://geodesic.mathdoc.fr/item/AM2_1981__22_136884/}
}