@article{AM2_1971__7_136252,
     author = {GERALD L. ITZKOWITZ},
     title = {Measurability and {Continuity} for a {Functional} {Equation} on a {Topological} {Group}},
     journal = {Aequationes mathematicae},
     pages = {194--198},
     publisher = {mathdoc},
     volume = {7},
     year = {1971},
     zbl = {0234.39010},
     url = {http://geodesic.mathdoc.fr/item/AM2_1971__7_136252/}
}