Closure operators on languages and binary relations.
Anderson, J.
Semigroup forum, Tome 20 (1980), p. 91-92 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1980-01-01
EUDML-ID : urn:eudml:doc:134438 
@article{GDZPPN001254359,
     title = {Closure operators on languages and binary relations.},
     journal = {Semigroup forum},
     volume = {20},
     year = {1980},
     pages = {91-92},
     zbl = {0451.20059},
     url = {http://dml.mathdoc.fr/item/GDZPPN001254359}
}

Anderson, J. Closure operators on languages and binary relations.. Semigroup forum, Tome 20 (1980) pp. 91-92. http://gdmltest.u-ga.fr/item/GDZPPN001254359/