@article{JOLT_1992_2_1_a4,
     author = {K. H. Hofmann},
     title = { Compact {Elements} in {Solvable} {Real} {Lie} {Algebras}},
     journal = {Journal of Lie Theory},
     pages = {41--56},
     year = {1992},
     volume = {2},
     number = {1},
     doi = {10.5802/jolt.30},
     zbl = {0857.17007},
     url = {https://jolt.centre-mersenne.org/articles/10.5802/jolt.30/}
}