@article{GDZPPN002440571, title = {Invariant cones in solvable Lie algebras.}, journal = {Mathematische Zeitschrift}, volume = {209}, year = {1992}, pages = {661-674}, zbl = {0758.17007}, url = {http://dml.mathdoc.fr/item/GDZPPN002440571} }
Poguntke, Detlev. Invariant cones in solvable Lie algebras.. Mathematische Zeitschrift, Tome 209 (1992) pp. 661-674. http://gdmltest.u-ga.fr/item/GDZPPN002440571/