Principio di Fermat

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From: Alexis <alexisfree_at_libero.it>
Date: 22 Mar 2006 01:48:12 -0800

Ciao,
il principio di Fermat definisce il raggio come la curva che rende
stazionario il termine integrale(nds).
Cosa si intende per stazionario ?
grazie.
Received on Wed Mar 22 2006 - 10:48:12 CET

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