@article{2811, author = {Kazim, M.A. and Naseeruddin, Md.}, title = {On almost semigroups}, journal = {Portugaliae mathematica}, volume = {36}, year = {1977}, pages = {41-47}, zbl = {0498.20053}, mrnumber = {0535222}, language = {en}, url = {http://dml.mathdoc.fr/item/2811} }
Kazim, M.A.; Naseeruddin, Md. On almost semigroups. Portugaliae mathematica, Tome 36 (1977) pp. 41-47. http://gdmltest.u-ga.fr/item/2811/