Algebraic structure theory of sequential machines (Prentice-Hall international series in applied mathematics)
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In 1936, J. A. Todd and H. S. M. Coxeter published a paper [13] in which they described a technique for enumerating the cosets of a finite group given only a presentation for the group and the generators of the sub-group written in terms of the generators of the group. This process has an interesting interpretation in terms of directed graphs which is described below.