OK, here where I found out ...
http://www.cs.uiuc.edu/class/sp08/cs273/
Click on the lecture tag, scroll through the page until you find a lecture on the material you are talking about.
My love is alma mater. God bless them, they never take their lectures in any class, and you can go and read any of them at any time.
edit: Looks like you want to lecture 11
Aaron source
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