@article{SF_1982__24_134548,
     author = {G. Lallement},
     title = {On ideal extensions of completely simple semigroups.},
     journal = {Semigroup forum},
     pages = {223--230},
     publisher = {mathdoc},
     volume = {24},
     year = {1982},
     zbl = {0484.20029},
     url = {http://geodesic.mathdoc.fr/item/SF_1982__24_134548/}
}