@article{BMMS_2014_37_1_a15,
     author = {M. R. Jabbarzadeh and M. R. Azimi},
     title = {Conditional {Multiplication} {Operators}},
     journal = {Bulletin of the Malaysian Mathematical Society},
     year = {2014},
     volume = {37},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/BMMS_2014_37_1_a15/}
}