@article{RCM_2013_47_1_a6,
     author = {Armando Reyesa},
     title = {Gelfand-Kirillov {Dimension} of {Skew} {PBW} {Extensions}},
     journal = {Revista colombiana de matematicas},
     pages = {95--111},
     publisher = {mathdoc},
     volume = {47},
     number = {1},
     year = {2013},
     url = {http://geodesic.mathdoc.fr/item/RCM_2013_47_1_a6/}
}