@article{03745348, title = {A note on power invariant rings.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {4}, year = {1981}, pages = {485-491}, doi = {10.1155/S0161171281000343}, zbl = {0475.13018}, language = {en}, url = {http://dml.mathdoc.fr/item/03745348} }
Joong Ho Kim. A note on power invariant rings.. International Journal of Mathematics and Mathematical Sciences, Tome 4 (1981) pp. 485-491. doi : 10.1155/S0161171281000343. http://gdmltest.u-ga.fr/item/03745348/