@article{ADM_2005_3_a0,
     author = {Oleg V. Gutik and K. P. Pavlyk},
     title = {Topological semigroups of matrix units},
     journal = {Algebra and discrete mathematics},
     pages = {1--17},
     publisher = {mathdoc},
     number = {3},
     year = {2005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2005_3_a0/}
}