@article{SF_1985__32_134770,
     author = {M.B. Szendrei},
     title = {E-unitary {R-unipotent} semigroups.},
     journal = {Semigroup forum},
     pages = {87--96},
     publisher = {mathdoc},
     volume = {32},
     year = {1985},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SF_1985__32_134770/}
}