@article{JOLT_2010_20_4_a3,
     author = {R. P. Rohr},
     title = {Principal {Basis} in {Cartan} {Subalgebra}},
     journal = {Journal of Lie Theory},
     pages = {673--687},
     year = {2010},
     volume = {20},
     number = {4},
     doi = {10.5802/jolt.614},
     zbl = {1241.17011},
     url = {https://jolt.centre-mersenne.org/articles/10.5802/jolt.614/}
}