@article{ADM_2009_1_a2,
     author = {V. K. Bhat},
     title = {Prime radical of {Ore} extensions over $\delta$-rigid rings},
     journal = {Algebra and discrete mathematics},
     pages = {14--19},
     publisher = {mathdoc},
     number = {1},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2009_1_a2/}
}