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@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/} }
Venu Raju, K.; Hanumanthachari, J. A note on non-commutative semigroups. Portugaliae mathematica, Tome 42 (1983) no. 1, pp. 85-96. http://geodesic.mathdoc.fr/item/PORMA_1983__42_1_115527/