@article{1195515184,
author = {Nagy, Attila},
title = {On $n$-unitary subsemigroups of semigroups},
journal = {Proc. Japan Acad. Ser. A Math. Sci.},
volume = {60},
number = {1},
year = {1984},
pages = { 101-104},
language = {en},
url = {http://dml.mathdoc.fr/item/1195515184}
}
Nagy, Attila. On $n$-unitary subsemigroups of semigroups. Proc. Japan Acad. Ser. A Math. Sci., Tome 60 (1984) no. 1, pp. 101-104. http://gdmltest.u-ga.fr/item/1195515184/