On two conditional forms of the equation ||f(x + y)|| = ||f(x) + f(y)||. (Summary).
Aequationes mathematicae, Tome 45 (1993) no. 2-3, p. 122
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@article{AM2_1993__45_2-3_182452,
author = {Fulvia Skof},
title = {On two conditional forms of the equation ||f(x + y)|| = ||f(x) + f(y)||. {(Summary).}},
journal = {Aequationes mathematicae},
pages = {122--122},
publisher = {mathdoc},
volume = {45},
number = {2-3},
year = {1993},
zbl = {0776.39003},
url = {http://geodesic.mathdoc.fr/item/AM2_1993__45_2-3_182452/}
}
Fulvia Skof. On two conditional forms of the equation ||f(x + y)|| = ||f(x) + f(y)||. (Summary).. Aequationes mathematicae, Tome 45 (1993) no. 2-3, p. 122. http://geodesic.mathdoc.fr/item/AM2_1993__45_2-3_182452/