@article{BMMS_2009_32_1_a1,
     author = {Ahmad Al-Omari and Mohd. Salmi Md. Noorani},
     title = {On {Generalized} {b-Closed} {Sets}},
     journal = {Bulletin of the Malaysian Mathematical Society},
     year = {2009},
     volume = {32},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/BMMS_2009_32_1_a1/}
}