@article{SF_1972__4_133884,
     author = {G. Lallement},
     title = {Structure theorems for regular semigroups.},
     journal = {Semigroup forum},
     pages = {95--123},
     publisher = {mathdoc},
     volume = {4},
     year = {1972},
     zbl = {0256.20084},
     url = {http://geodesic.mathdoc.fr/item/SF_1972__4_133884/}
}