Another semigroup of complexity n-1.
Semigroup forum, Tome 43 (1991) no. 3, pp. 257-259
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@article{SF_1991__43_3_135113,
author = {A. Foster},
title = {Another semigroup of complexity n-1.},
journal = {Semigroup forum},
pages = {257--259},
publisher = {mathdoc},
volume = {43},
number = {3},
year = {1991},
zbl = {0737.20028},
url = {http://geodesic.mathdoc.fr/item/SF_1991__43_3_135113/}
}
A. Foster. Another semigroup of complexity n-1.. Semigroup forum, Tome 43 (1991) no. 3, pp. 257-259. http://geodesic.mathdoc.fr/item/SF_1991__43_3_135113/