@article{JOLT_2004_14_1_a1,
     author = {Y. Kim and K. C. Misra and E. Stitzinger},
     title = {On the {Nilpotency} of {Certain} {Subalgebras} of {Kac-Moody} {Lie} {Algebras}},
     journal = {Journal of Lie Theory},
     pages = {11--23},
     year = {2004},
     volume = {14},
     number = {1},
     doi = {10.5802/jolt.325},
     zbl = {1068.17011},
     url = {https://jolt.centre-mersenne.org/articles/10.5802/jolt.325/}
}