A uniform chain whose inverse semigroup has no chart.
Ash, C.J.
Semigroup forum, Tome 18 (1979), p. 1-4 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1979-01-01
EUDML-ID : urn:eudml:doc:134334 
@article{GDZPPN001253271,
     title = {A uniform chain whose inverse semigroup has no chart.},
     journal = {Semigroup forum},
     volume = {18},
     year = {1979},
     pages = {1-4},
     zbl = {0419.20046},
     url = {http://dml.mathdoc.fr/item/GDZPPN001253271}
}

Ash, C.J. A uniform chain whose inverse semigroup has no chart.. Semigroup forum, Tome 18 (1979) pp. 1-4. http://gdmltest.u-ga.fr/item/GDZPPN001253271/