On some symmetrical equations of the form $f_1(x_1+...+x_n) = ∑_{i_1,...,i_n}) f_1(x_i_1)...f_n(x_i_n)$

DOI10.4064/AP-19-3-271-286zbMath0158.15301OpenAlexW854478244MaRDI QIDQ5540855

Halina Światak

Publication date: 1967

Published in: Annales Polonici Mathematici (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.4064/ap-19-3-271-286

zbMATH Keywords

functional analysis

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