%0 Journal Article %A I. V. Arzhantsev %A S. A. Gaifullin %T Cox rings, semigroups and automorphisms of affine algebraic varieties %J Sbornik. Mathematics %D 2010 %P 1-21 %V 201 %N 1 %U http://geodesic.mathdoc.fr/item/SM_2010_201_1_a0/ %G en %F SM_2010_201_1_a0