@article{ADM_2014_17_1_a0,
     author = {Cihat Abdio\^{g}lu and Serap \c{S}ahinkaya and Arda K\"OR},
     title = {Rigid, quasi-rigid and matrix rings with $(\overline{\sigma},0)$-multiplication},
     journal = {Algebra and discrete mathematics},
     pages = {1--11},
     publisher = {mathdoc},
     volume = {17},
     number = {1},
     year = {2014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2014_17_1_a0/}
}