On sign-preserving solutions of a linear functional equation
Annales Polonici Mathematici, Tome 20 (1968) no. 1, pp. 73-79
@article{10_4064_ap_20_1_73_79,
author = {S. Czerwik},
title = {On sign-preserving solutions of a linear functional equation},
journal = {Annales Polonici Mathematici},
pages = {73--79},
year = {1968},
volume = {20},
number = {1},
doi = {10.4064/ap-20-1-73-79},
language = {en},
url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-20-1-73-79/}
}
S. Czerwik. On sign-preserving solutions of a linear functional equation. Annales Polonici Mathematici, Tome 20 (1968) no. 1, pp. 73-79. doi: 10.4064/ap-20-1-73-79
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