TY - JOUR AU - Auinger, Karl TI - Boolean Congruence Lattices of Orthodox Semigroups JO - Canadian journal of mathematics PY - 1991 SP - 225 EP - 241 VL - 43 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1991-012-5/ DO - 10.4153/CJM-1991-012-5 ID - 10_4153_CJM_1991_012_5 ER -