%0 Journal Article %A Marquis, Timothée %T On the structure of Kac–Moody algebras %J Canadian journal of mathematics %D 2021 %P 1124-1152 %V 73 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/S0008414X20000358/ %R 10.4153/S0008414X20000358 %F 10_4153_S0008414X20000358