HNN extensions of semigroups.
Dekov, D.V.
Semigroup forum, Tome 48 (1994), p. 83-88 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1994-01-01
EUDML-ID : urn:eudml:doc:135336 
@article{GDZPPN001263560,
     title = {HNN extensions of semigroups.},
     journal = {Semigroup forum},
     volume = {48},
     year = {1994},
     pages = {83-88},
     zbl = {0803.20039},
     url = {http://dml.mathdoc.fr/item/GDZPPN001263560}
}

Dekov, D.V. HNN extensions of semigroups.. Semigroup forum, Tome 48 (1994) pp. 83-88. http://gdmltest.u-ga.fr/item/GDZPPN001263560/