À la recherche de la preuve perdue: a simple proof of the Ficken theorem

A new proof of the Ficken criterion is given together with a comment concerning the known proofs and related results.

Bibliographic Details
Main Author: Dariusz Cichoń
Format: Article
Language:deu
Published: Wydawnictwo Naukowe Uniwersytetu Pedagogicznego 2014-04-01
Series:Annales Universitatis Paedagogicae Cracoviensis: Studia Mathematica
Online Access:http://studmath.up.krakow.pl/index.php/studmath/article/view/178