@article{PORMA_1977__36_1_115301,
     author = {Kazim, M.A. and Naseeruddin, Md.},
     title = {On almost semigroups},
     journal = {Portugaliae mathematica},
     pages = {41--47},
     publisher = {mathdoc},
     volume = {36},
     number = {1},
     year = {1977},
     mrnumber = {0535222},
     zbl = {0498.20053},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1977__36_1_115301/}
}