%0 Journal Article %A Koca, Caner %A Lejmi, Mehdi %T Einstein–Maxwell Equations on Four-dimensional Lie Algebras %J Canadian mathematical bulletin %D 2019 %P 822-840 %V 62 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/S0008439519000249/ %R 10.4153/S0008439519000249 %F 10_4153_S0008439519000249