@article{ADM_2021_32_1_a5,
     author = {A. Reyes and H. Su\'arez},
     title = {Skew {PBW} extensions over symmetric rings},
     journal = {Algebra and discrete mathematics},
     pages = {76--102},
     publisher = {mathdoc},
     volume = {32},
     number = {1},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2021_32_1_a5/}
}