@article{SF_1989__39_2_134972,
     author = {H. Brungs and G. T\"orner},
     title = {A structure theorem for right invariant right holoids.},
     journal = {Semigroup forum},
     pages = {39--50},
     publisher = {mathdoc},
     volume = {39},
     number = {2},
     year = {1989},
     zbl = {0674.06014},
     url = {http://geodesic.mathdoc.fr/item/SF_1989__39_2_134972/}
}