The groupoid of varieties of idempotent semigroups.
Sukhanov, E. V.
Semigroup forum, Tome 14 (1977), p. 143-160 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1977-01-01
EUDML-ID : urn:eudml:doc:186363 
@article{PPN362162808_0014+dmdlog18,
     title = {The groupoid of varieties of idempotent semigroups.},
     journal = {Semigroup forum},
     volume = {14},
     year = {1977},
     pages = {143-160},
     zbl = {0366.20043},
     url = {http://dml.mathdoc.fr/item/PPN362162808_0014+dmdlog18}
}

Sukhanov, E. V. The groupoid of varieties of idempotent semigroups.. Semigroup forum, Tome 14 (1977) pp. 143-160. http://gdmltest.u-ga.fr/item/PPN362162808_0014+dmdlog18/