@article{BMMS_2013_36_2_a13,
     author = {Ali Reza Nooreddiny and Abdolhamid Riazi},
     title = {Invariance of {Arens} {Irregularity} under {Extensions}},
     journal = {Bulletin of the Malaysian Mathematical Society},
     year = {2013},
     volume = {36},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/BMMS_2013_36_2_a13/}
}