%0 Journal Article %A Anderson, David F. %T Subrings of Generated by Monomials %J Canadian journal of mathematics %D 1978 %P 215-224 %V 30 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1978-019-5/ %R 10.4153/CJM-1978-019-5 %F 10_4153_CJM_1978_019_5