Index of /tac/reprints/articles/21

	Name	Last modified	Size	Description
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	tr21abs.html	2011-09-07 16:33	1.2K
	tr21.dvi	2011-09-07 16:33	566K
	tr21.ps	2011-09-07 16:33	1.8M
	tr21.pdf	2011-09-07 16:33	524K