Union preserving homomorphisms of semigroups of closed relations.
Semigroup forum, Tome 15 (1977), pp. 169-180
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ZblE.M. Norris. Union preserving homomorphisms of semigroups of closed relations.. Semigroup forum, Tome 15 (1977), pp. 169-180. http://geodesic.mathdoc.fr/item/SF_1977__15_134247/
@article{SF_1977__15_134247,
author = {E.M. Norris},
title = {Union preserving homomorphisms of semigroups of closed relations.},
journal = {Semigroup forum},
pages = {169--180},
year = {1977},
volume = {15},
zbl = {0383.20054},
url = {http://geodesic.mathdoc.fr/item/SF_1977__15_134247/}
}