@article{SF_1976__13_134204,
     author = {G. Kowol and H. Mitsch},
     title = {On the decomposition of {RL-semigroups} into groups.},
     journal = {Semigroup forum},
     pages = {127--134},
     publisher = {mathdoc},
     volume = {13},
     year = {1976},
     zbl = {0355.20066},
     url = {http://geodesic.mathdoc.fr/item/SF_1976__13_134204/}
}