> "Jane Roberts" <[EMAIL PROTECTED]> wrote in message
> news:[EMAIL PROTECTED]
> > This is a classical problem. No exact solution exists. See the works by
> > Satterthwise and Walsh.
ZHANG Yan wrote:
>
> Thanks for your information. I googled the keyword "Satterthwise" , but can
> not find one. Then tried "walsh" and find tons of links.
Could that be "Satterthwaite"?
-Robert Dawson
.
.
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