A Cosine Functional Equation with Restricted Argument. (Short Communication).
Etigson, L.B.
Aequationes mathematicae, Tome 10 (1974), p. 118 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1974-01-01
EUDML-ID : urn:eudml:doc:136445 
@article{GDZPPN002028034,
     title = {A Cosine Functional Equation with Restricted Argument. (Short Communication).},
     journal = {Aequationes mathematicae},
     volume = {10},
     year = {1974},
     pages = {118-118},
     zbl = {0318.39006},
     url = {http://dml.mathdoc.fr/item/GDZPPN002028034}
}

Etigson, L.B. A Cosine Functional Equation with Restricted Argument. (Short Communication).. Aequationes mathematicae, Tome 10 (1974) p. 118. http://gdmltest.u-ga.fr/item/GDZPPN002028034/