TY - JOUR AU - Robert Vaught TI - Invariant sets in topology and logic JO - Fundamenta Mathematicae PY - 1974 SP - 269 EP - 294 VL - 82 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-82-3-269-294/ DO - 10.4064/fm-82-3-269-294 LA - en ID - 10_4064_fm_82_3_269_294 ER -