TY - JOUR AU - I.E. Kozhukhov TI - On semigroups with minimal or maximal condition on left congruences. JO - Semigroup forum PY - 1980 SP - 337 EP - 350 VL - 21 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SF_1980__21_134456/ ID - SF_1980__21_134456 ER -