This is a preview. Log in through your library . Abstract For the ring of integers 𝓞 of a totally real algebraic field, Julia Robinson defines a set A(𝓞) such that either A(𝓞) = {+∞} or it is an ...
https://doi.org/10.4169/college.math.j.48.3.204 • https://www.jstor.org/stable/10.4169/college.math.j.48.3.204 Copy URL ...