@article{ADM_2010_10_2_a6,
     author = {Sh. Ikehata},
     title = {On separable and $H$-separable polynomials in skew polynomial rings of several variables},
     journal = {Algebra and discrete mathematics},
     pages = {87--96},
     publisher = {mathdoc},
     volume = {10},
     number = {2},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2010_10_2_a6/}
}