@article{BMMS_2012_35_2_a10,
     author = {Lunqun Ouyang and Gary F. Birkenmeier},
     title = {Weak {Annihilator} over {Extension}  {Rings}},
     journal = {Bulletin of the Malaysian Mathematical Society},
     year = {2012},
     volume = {35},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/BMMS_2012_35_2_a10/}
}