Pierre Antoine Grillet
Acta Sci. Math. (Szeged) 67:3-4(2001), 571-600 2805/2009
Abstract. All fully invariant congruences on free commutative semigroups are constructed. This sharpens results of Kisielewicz.
AMS Subject Classification (1991): 20M14, 20M07
Received March 28, 2000. (Registered under 2805/2009.)