TY - JOUR AU - E. López-Escobar TI - Elementary interpretations of negationless arithmetic JO - Fundamenta Mathematicae PY - 1974 SP - 25 EP - 38 VL - 82 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-82-1-25-38/ DO - 10.4064/fm-82-1-25-38 LA - en ID - 10_4064_fm_82_1_25_38 ER -