TY - JOUR AU - G. Rousseau TI - Sequents in many valued logic I JO - Fundamenta Mathematicae PY - 1967 SP - 23 EP - 33 VL - 60 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-60-1-23-33/ DO - 10.4064/fm-60-1-23-33 LA - en ID - 10_4064_fm_60_1_23_33 ER -