@article{MASLO_1963_13_1_a6,
     author = {Clifford, A. H.},
     title = {Note on a {Double} {Coset} {Decomposition} of {Semigroups} due to {\v{S}tefan} {Schwarz}},
     journal = {Mathematica slovaca},
     pages = {55--57},
     year = {1963},
     volume = {13},
     number = {1},
     zbl = {0135.04003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1963_13_1_a6/}
}