@article{SF_1972__4_133874,
     author = {M. Mislove},
     title = {The existence and structure of {IRR(X).}},
     journal = {Semigroup forum},
     pages = {1--33},
     publisher = {mathdoc},
     volume = {4},
     year = {1972},
     zbl = {0292.20055},
     url = {http://geodesic.mathdoc.fr/item/SF_1972__4_133874/}
}