%0 Journal Article %A Shah, Tariq %A Ullah, Ehsan %T Factorization properties of subrings in trigonometric polynomial rings. %J Publications de l 'Institut Mathématique. Nouvelle Série %D 2009 %P 123 %V 86(100) %I mathdoc %U https://geodesic-test.mathdoc.fr/articles/10.2298/PIM0900123S/ %R 10.2298/PIM0900123S %G en %F 10_2298_PIM0900123S