Search results for: A. Held
General Relativity and Gravitation > 2017 > 49 > 10 > 1-7
General Relativity and Gravitation > 1999 > 31 > 10 > 1473-1499
General Relativity and Gravitation > 2017 > 49 > 10 > 1-7
General Relativity and Gravitation > 1999 > 31 > 10 > 1473-1499