- Romina M. Arroyo, Ramiro Lafuente, “Homogeneous Ricci Solitons in Low Dimensions”, Int Math Res Notices, 2015, № 13, 2015, 4901
- Andreas Arvanitoyeorgos, Yusuke Sakane, Marina Statha, “Invariant Einstein metrics on $\mathrm{SU}(n)$ and complex Stiefel manifolds”, Tohoku Math. J. (2), 72, № 2, 2020
- Yuri Nikolayevsky, “Einstein solvmanifolds with free nilradical”, Ann Glob Anal Geom, 33, № 1, 2008, 71
- Yu. G. Nikonorov, “On Einstein extensions of nilpotent metric Lie algebras”, Sib. Adv. Math., 17, № 3, 2007, 153