zbMath1366.53013MaRDI QIDQ402788
J. Herrera, H. S. Yoon
Publication date: 28 August 2014 Published in: Matematychni Studiï (Search for Journal in Brave)
Mathematics Subject Classification ID
Local Riemannian geometry (53B20) Local differential geometry of Lorentz metrics, indefinite metrics (53B30)
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