Pahikkala, Jussi On contraharmonic mean and Pythagorean triples. (English) Zbl 1190.11023 Elem. Math. 65, No. 2, 62-67 (2010). MSC: 11D09 26E60 × Cite Format Result Cite Review PDF Full Text: DOI Link
Blatter, Christian A concrete model of the real numbers. (Ein konkretes Modell der reellen Zahlen.) (German) Zbl 1231.26003 Elem. Math. 65, No. 2, 49-61 (2010). Reviewer: Florin Nicolae (Berlin) MSC: 26A03 00-01 03-01 08-01 × Cite Format Result Cite Review PDF Full Text: DOI Link