@article{AM2_1970__4_1-3_136077,
     author = {R. Larsen},
     title = {The {Functional} {Equation.} {(Short} {Communication).}},
     journal = {Aequationes mathematicae},
     pages = {277--277},
     publisher = {mathdoc},
     volume = {4},
     number = {1-3},
     year = {1970},
     zbl = {0898.20025},
     url = {http://geodesic.mathdoc.fr/item/AM2_1970__4_1-3_136077/}
}