%0 Journal Article %A G. Calvaruso %A A. Zaeim %T Neutral Metrics on Four-Dimensional Lie Groups %J Journal of Lie Theory %D 2015 %P 1023-1044 %V 25 %N 4 %U https://jolt.centre-mersenne.org/articles/10.5802/jolt.870/ %R 10.5802/jolt.870 %F JOLT_2015_25_4_a4