@article{SF_1986__34_134841,
     author = {H.J. Weinert},
     title = {Some remarks on certain partially ordered semigroups.},
     journal = {Semigroup forum},
     pages = {235--242},
     publisher = {mathdoc},
     volume = {34},
     year = {1986},
     zbl = {0605.06011},
     url = {http://geodesic.mathdoc.fr/item/SF_1986__34_134841/}
}