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<div class="moz-cite-prefix">Le 29/07/2018 à 15:06, Samuel Gougeon a
écrit :<br>
</div>
<blockquote cite="mid:df1bf5d2-cc84-8245-320a-d13577cab925@free.fr"
type="cite"><br>
But this expression is approximative, depending on the <u><i>oddness</i></u>
of s components, etc.
<br>
</blockquote>
Sorry for my bad (and too fast) english. I meant: the parity: if
each size is even or odd.<br>
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