@article{1250129188,
author = {Johnson, Jon L.},
title = {The graded ring $R[X\_1,\dots,X\_n]$},
journal = {Rocky Mountain J. Math.},
volume = {9},
number = {4},
year = {1979},
pages = { 415-424},
language = {en},
url = {http://dml.mathdoc.fr/item/1250129188}
}
Johnson, Jon L. The graded ring $R[X_1,\dots,X_n]$. Rocky Mountain J. Math., Tome 9 (1979) no. 4, pp. 415-424. http://gdmltest.u-ga.fr/item/1250129188/