%0 Journal Article %A M. Lanini %A K. Zainoulline %T Twisted quadratic foldings of root systems %J Algebra i analiz %D 2021 %P 93-118 %V 33 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_2021_33_1_a4/ %G en %F AA_2021_33_1_a4