@article{ADM_2021_32_2_a5,
     author = {S. Kour},
     title = {On the kernels of higher $R$-derivations of~$R[x_1,\dots,x_n]$},
     journal = {Algebra and discrete mathematics},
     pages = {236--240},
     publisher = {mathdoc},
     volume = {32},
     number = {2},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2021_32_2_a5/}
}