@article{GDZPPN001253093,
title = {Algebraic dimension of semigroups with application to invariant measures.},
journal = {Semigroup forum},
volume = {18},
year = {1979},
pages = {185-187},
zbl = {0407.22001},
url = {http://dml.mathdoc.fr/item/GDZPPN001253093}
}
Székely, G.J. Algebraic dimension of semigroups with application to invariant measures.. Semigroup forum, Tome 18 (1979) pp. 185-187. http://gdmltest.u-ga.fr/item/GDZPPN001253093/