TY - JOUR AU - Dan Haran TI - The Undecidability of Pseudo Real Closed Fields. JO - Manuscripta mathematica PY - 1984 SP - 91 EP - 108 VL - 49 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MM2_1984__49_155037/ ID - MM2_1984__49_155037 ER -