%0 Journal Article %A KÁTAI-URBÁN, KAMILLA %A SZABÓ, CSABA %T ON THE FREE SPECTRUM OF THE VARIETY GENERATED BY THE COMBINATORIAL COMPLETELY 0-SIMPLE SEMIGROUPS %J Glasgow mathematical journal %D 2007 %P 93-98 %V 49 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089507003448/ %R 10.1017/S0017089507003448 %F 10_1017_S0017089507003448