@article{PORMA_1983__42_1_115527,
     author = {Venu Raju, K. and Hanumanthachari, J.},
     title = {A note on non-commutative semigroups},
     journal = {Portugaliae mathematica},
     pages = {85--96},
     publisher = {mathdoc},
     volume = {42},
     number = {1},
     year = {1983},
     mrnumber = {0796283},
     zbl = {0566.20047},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1983__42_1_115527/}
}