Barnich, G., Gonzalez, H. A., & Salgado-Rebolledo, P. (2017). Geometric actions for three-dimensional gravity. Classical and Quantum Gravity, 35(1), 014003.
Barnich, G., Gonzalez, H. A., & Salgado-Rebolledo, P. (2017). Geometric actions for three-dimensional gravity. Classical and Quantum Gravity, 35(1), 014003.