Combinatorial Group Theory, Inverse Monoids, Automata, And Global Semigroup Theory.

Manuel Delgado Stuart W. Margolis Benjamin Steinberg Combinatorial Group Theory, Inverse Monoids, Automata, And Global Semigroup Theory. 179-211 2002 12 IJAC 1-2 http://dx.doi.org/10.1142/S0218196702000924 db/journals/ijac/ijac12.html#DelgadoMS02