TY - JOUR AU - E.R. Griffor TI - Definability and forcing in E-recursion. JO - Mathematica Scandinavica PY - 1985 SP - 5 EP - 28 VL - 57 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MS2_1985__57_166940/ ID - MS2_1985__57_166940 ER -