Closure operators on languages and binary relations.
Semigroup forum, Tome 21 (1980), pp. 91-92
Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{SF_1980__21_134438,
author = {J. Anderson},
title = {Closure operators on languages and binary relations.},
journal = {Semigroup forum},
pages = {91--92},
publisher = {mathdoc},
volume = {21},
year = {1980},
zbl = {0451.20059},
url = {http://geodesic.mathdoc.fr/item/SF_1980__21_134438/}
}
J. Anderson. Closure operators on languages and binary relations.. Semigroup forum, Tome 21 (1980), pp. 91-92. http://geodesic.mathdoc.fr/item/SF_1980__21_134438/