TY - JOUR AU - Scheiblich, H. E. TI - Concerning congruences on symmetric inverse semigroups JO - Czechoslovak Mathematical Journal PY - 1973 SP - 1 EP - 9 VL - 23 IS - 1 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/articles/10.21136/CMJ.1973.101138/ DO - 10.21136/CMJ.1973.101138 LA - en ID - 10_21136_CMJ_1973_101138 ER -