@article{JOLT_2014_24_2_a1, author = {H. Ben Messaoud and G. Rousseau}, title = {Kac-Moody {Lie} {Algebras} {Graded} by {Kac-Moody} {Root} {Systems}}, journal = {Journal of Lie Theory}, pages = {321--350}, year = {2014}, volume = {24}, number = {2}, doi = {10.5802/jolt.786}, zbl = {1357.17023}, url = {https://jolt.centre-mersenne.org/articles/10.5802/jolt.786/} }