%0 Journal Article %A Skula, Ladislav %T Special isomorphisms of $F[x_1,\ldots ,x_n]$ preserving GCD and their use %J Czechoslovak Mathematical Journal %D 2009 %P 759-771 %V 59 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_2009__59_3_a14/ %G en %F CMJ_2009__59_3_a14