The cosine functional equation for nilpotent groups. (Short Communication).
Corovei, Ilie
Aequationes mathematicae, Tome 14 (1976), p. 511 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1976-01-01
EUDML-ID : urn:eudml:doc:136619 
@article{GDZPPN002029812,
     title = {The cosine functional equation for nilpotent groups. (Short Communication).},
     journal = {Aequationes mathematicae},
     volume = {14},
     year = {1976},
     pages = {511-511},
     zbl = {0348.39004},
     url = {http://dml.mathdoc.fr/item/GDZPPN002029812}
}

Corovei, Ilie. The cosine functional equation for nilpotent groups. (Short Communication).. Aequationes mathematicae, Tome 14 (1976) p. 511. http://gdmltest.u-ga.fr/item/GDZPPN002029812/