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kof9595995
kof9595995 is offline
#1
Jun28-09, 05:10 AM
P: 679
I've seen one derivation on Feynman Lectures on Physics, but the derivation is not really rigorous(he took a very special case for the derivation),I googled about the topic and couldn't find a satisfactory one. So can anybody give me a rigorous one?
Thanks in advance
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