On an exponential-cosine operator-valued functional equation.
Buche, A.B.
Aequationes mathematicae, Tome 13 (1975), p. 233-242 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1975-01-01
EUDML-ID : urn:eudml:doc:136543 
@article{GDZPPN002029030,
     title = {On an exponential-cosine operator-valued functional equation.},
     journal = {Aequationes mathematicae},
     volume = {13},
     year = {1975},
     pages = {233-242},
     zbl = {0334.39002},
     url = {http://dml.mathdoc.fr/item/GDZPPN002029030}
}

Buche, A.B. On an exponential-cosine operator-valued functional equation.. Aequationes mathematicae, Tome 13 (1975) pp. 233-242. http://gdmltest.u-ga.fr/item/GDZPPN002029030/