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@article{SF_1976__13_134210, author = {J.W. Nichols}, title = {A class of maximal inverse subsemigroups of {TX.}}, journal = {Semigroup forum}, pages = {187--188}, publisher = {mathdoc}, volume = {13}, year = {1976}, zbl = {0359.20048}, url = {http://geodesic.mathdoc.fr/item/SF_1976__13_134210/} }
J.W. Nichols. A class of maximal inverse subsemigroups of TX.. Semigroup forum, Tome 13 (1976), pp. 187-188. http://geodesic.mathdoc.fr/item/SF_1976__13_134210/