Geodesic
A Proof of the Equivalence of Helly's and Krasnoselski's Theorems
Canadian mathematical bulletin, Tome 20 (1977) no. 1, pp. 35-37

Voir la notice de l'article provenant de la source Cambridge University Press

We show that Krasnoselski's Theorem, which is usually derived from Helly's Theorem, is in fact equivalent to it. 
Borwein, J. A Proof of the Equivalence of Helly's and Krasnoselski's Theorems. Canadian mathematical bulletin, Tome 20 (1977) no. 1, pp. 35-37. doi: 10.4153/CMB-1977-007-4
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