TY - JOUR AU - Józef Słomiński TI - On the greatest congruence relation contained in an equivalence relation and its applications to the algebraic theory of machines JO - Colloquium Mathematicum PY - 1974 SP - 31 EP - 43 VL - 29 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-29-1-31-43/ DO - 10.4064/cm-29-1-31-43 LA - en ID - 10_4064_cm_29_1_31_43 ER -