À propos de cet article
Publié en ligne: 11 déc. 2014
Pages: 133 - 137
Reçu: 22 mai 2014
DOI: https://doi.org/10.2478/aupcsm-2014-0010
Mots clés
© by Dariusz Cichoń
This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License.
A new proof of the Ficken criterion is given together with a comment concerning the known proofs and related results