1. Arnowitt, The dynamics of general relativity, Gravitation: an introduction to current research. 227–265 (1962)
2. R. Bartnik, Commun. Pure Appl. Math. 39, 661–693 (1986)
3. R. Beig, N.Ó. Murchadha, Ann. Phys. 174, 463–498 (1987)
4. C. Cederbaum, M. Graf, J. Metzger, Initial data sets that do not satisfy the Regge–Teitelboim conditions (2023). Work in Progress
5. C. Cederbaum, C. Nerz, Ann. Henri Poincaré. 16, 1609–1631 (2015)