TY - GENERIC DO - 10.20944/preprints202001.0267.v1 UR - http://dx.doi.org/10.20944/preprints202001.0267.v1 TI - Almost Hypercomplex Manifolds with Hermitian-Norden Metrics and 4-dimensional Indecomposable Real Lie Algebras Depending on One Parameter T2 - Preprints AU - Manev, Hristo PY - 2020 DA - 2020/01/23 PB - Preprints