%0 Journal Article %A E. V. Ponomareva %T Invariants of the Cox rings of double flag varieties of low complexity for exceptional groups %J Sbornik. Mathematics %D 2017 %P 707-742 %V 208 %N 5 %U http://geodesic.mathdoc.fr/item/SM_2017_208_5_a4/ %G en %F SM_2017_208_5_a4