@article{SF_1970__1_133802,
     author = {N.A. Tserpes and C. Kassimates},
     title = {A note on left simple topological semigroups.},
     journal = {Semigroup forum},
     pages = {276--278},
     publisher = {mathdoc},
     volume = {1},
     year = {1970},
     zbl = {0211.33901},
     url = {http://geodesic.mathdoc.fr/item/SF_1970__1_133802/}
}