@article{JOLT_2022_32_4_a2,
     author = {H. Ben Messaoud and M. Layouni},
     title = {On {Gradations} of {Decomposable} {Kac-Moody} {Lie} {Algebras} by {Kac-Moody} {Root} {Systems}},
     journal = {Journal of Lie Theory},
     pages = {937--971},
     year = {2022},
     volume = {32},
     number = {4},
     doi = {10.5802/jolt.1260},
     zbl = {1521.17056},
     url = {https://jolt.centre-mersenne.org/articles/10.5802/jolt.1260/}
}