Exponential-cosine operator-valued functional equation in the strong operator topology.
Aequationes mathematicae, Tome 27 (1984), pp. 187-197
@article{AM2_1984__27_137021,
author = {Harshinder Singh and H.L. Vasudeva},
title = {Exponential-cosine operator-valued functional equation in the strong operator topology.},
journal = {Aequationes mathematicae},
pages = {187--197},
year = {1984},
volume = {27},
zbl = {0558.47032},
url = {http://geodesic.mathdoc.fr/item/AM2_1984__27_137021/}
}
Harshinder Singh; H.L. Vasudeva. Exponential-cosine operator-valued functional equation in the strong operator topology.. Aequationes mathematicae, Tome 27 (1984), pp. 187-197. http://geodesic.mathdoc.fr/item/AM2_1984__27_137021/