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In [7], Keimel representes the projectable f-rings as continuous sections of Hausdorff sheaves of totally ordered rings. Here, we give a result about the representation of ultraporducts of projectable f-rings in terms of the representation spaces  and the stalks of its factors. Keywords: Boolean products, elementary class, ultracoproduct of compact spaces, continuous sections.

Ultraproductos de f-anillos proyectables