Left-invariant pseudo-Riemannian metrics on four-dimensional lie groups with nonzero Schouten–Weyl tensor
Crossref DOI link: https://doi.org/10.3103/S1066369X17080102
Published Online: 2017-07-19
Published Print: 2017-08
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Klepikov, P. N.
License valid from 2017-07-19