@article{ASUO_2013_XXI_3_a14,
     author = {Orhan Gurgun and Sait Halicioglu and Abdullah Harmanci},
     title = {Quasipolar {Subrings} of 3 x 3
                            {Matrix} {Rings}},
     journal = {Analele Universit\u{a}\c{t}ii "Ovidius" Constan\c{t}a Seria Matematic\u{a}},
     publisher = {mathdoc},
     volume = {XXI},
     number = {3},
     year = {2013},
     url = {http://geodesic.mathdoc.fr/item/ASUO_2013_XXI_3_a14/}
}