@article{MZ_1966__92_170545,
     author = {P.S. Venkatesan},
     title = {On {Decomposition} of {Semigroups} with {Zero.}},
     journal = {Mathematische Zeitschrift},
     pages = {164--174},
     publisher = {mathdoc},
     volume = {92},
     year = {1966},
     zbl = {0135.04002},
     url = {http://geodesic.mathdoc.fr/item/MZ_1966__92_170545/}
}