Geodesic
An Ultrametricity Condition for Pretangent Spaces
Matematičeskie zametki, Tome 92 (2012) no. 1, pp. 49-58.

Voir la notice de l'article provenant de la source Math-Net.Ru

A criterion for the ultrametricity of pretangent spaces to general metric spaces is obtained.
Keywords: ultrametric, pretangent space to a metric space, normalizing sequence, metric betweenness. 
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A. A. Dovgoshey; D. V. Dordovskij. An Ultrametricity Condition for Pretangent Spaces. Matematičeskie zametki, Tome 92 (2012) no. 1, pp. 49-58. http://geodesic.mathdoc.fr/item/MZM_2012_92_1_a4/

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