TY - JOUR AU - Isidore Fleischer TI - Extending a partial equivalence to a congruence and relative embeddings in universal algebras JO - Fundamenta Mathematicae PY - 1980 SP - 13 EP - 17 VL - 106 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-106-1-13-17/ DO - 10.4064/fm-106-1-13-17 LA - en ID - 10_4064_fm_106_1_13_17 ER -