Anderson, A., Choquet-Bruchat, Y. and York Jr., J. W. (1997) “Einstein-Bianchi hyperbolic system for general relativity”, Topological Methods in Nonlinear Analysis, 10(2), pp. 353–373. Available at: https://apcz.umk.pl/TMNA/article/view/TMNA.1997.037 (Accessed: 22 July 2024).