The number of subsemigroups of certain semigroups
Tamura, T. ; Merkel, R.B.
Portugaliae mathematica, Tome 23 (1964), p. 183-191 / Harvested from Portugaliae Mathematica
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Publié le : 1964-01-01
EUDML-ID : urn:eudml:doc:114930 
@article{2440,
     author = {Tamura, T. and Merkel, R.B.},
     title = {The number of subsemigroups of certain semigroups},
     journal = {Portugaliae mathematica},
     volume = {23},
     year = {1964},
     pages = {183-191},
     zbl = {0133.27702},
     mrnumber = {0201551},
     language = {en},
     url = {http://dml.mathdoc.fr/item/2440}
}

Tamura, T.; Merkel, R.B. The number of subsemigroups of certain semigroups. Portugaliae mathematica, Tome 23 (1964) pp. 183-191. http://gdmltest.u-ga.fr/item/2440/