Deletion of Zinf (2nd nomination)

Comment: First, would the nominator care to explain why he nominates this article once more, when his last nomination less than a year ago failed. The question is --  and why the already overburdened AfD circuit should be strained once again.  Second, it is a so-called "half-truth" that ''"References 2 and 3 do not contain the text string Zinf at all!"'' - the references do contain the text string "FreeAmp", and Zinf is a continuation of FreeAmp, as clearly explained in the article, and easily verified in a basic search.  Third, to those who "cannot find coverage", I will say
Stance: keep
Cited policy: Wikipedia:Arguments to avoid in deletion discussions (WP:NOTAGAIN)