I tried to find Gauss's original paper on his method of quadrature, but in vain. Is it translated into English?
How about Legendre's paper?
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Sign up to join this communityYou can find a link to Gauss' 1815 paper on numerical quadrature, ``Methodus nova integralium valores per approximationem inveniendi'' here. I'm not aware of any translation of it into English.