@article{SEMR_2011_8_a9,
     author = {V. K. Bhat and Kiran Chib},
     title = {Transparent {Ore} extensions over weak $\sigma$-rigid rings},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {116--122},
     publisher = {mathdoc},
     volume = {8},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2011_8_a9/}
}