J. B. Griffiths, “The stability of Killing–Cauchy horizons in colliding plane wave space-times”, Gen Relativ Gravit, 37, no. 6, 2005, 1119
Julian Mauersberger, “Asymptotics to all orders of the Euler–Darboux equation in a triangle”, Journal of Mathematical Analysis and Applications, 471, no. 1-2, 2019, 180
George Alekseev, “Travelling waves in expanding spatially homogeneous space–times”, Class. Quantum Grav., 32, no. 7, 2015, 075009
Jonatan Lenells, Julian Mauersberger, “The hyperbolic Ernst equation in a triangular domain”, Anal.Math.Phys., 10, no. 1, 2020, 10
Christos G Tsagas, “Electromagnetic fields in curved spacetimes”, Class. Quantum Grav., 22, no. 2, 2005, 393
Christos G. Tsagas, “Gravitoelectromagnetic resonances”, Phys. Rev. D, 84, no. 4, 2011, 043524
Panagiotis Mavrogiannis, Christos G Tsagas, “Electromagnetic potentials in curved spacetimes”, Class. Quantum Grav., 38, no. 23, 2021, 235002
Florian Beyer, Jörg Hennig, “An exact smooth Gowdy-symmetric generalized Taub–NUT solution”, Class. Quantum Grav., 31, no. 9, 2014, 095010
G. A. Alekseev, “Einstein–Maxwell equations: Solution-generating methods as “coordinate” transformations in the solution spaces”, Theor Math Phys, 211, no. 3, 2022, 866
G. A. Alekseev, “Monodromy transform and the integral equation method for solving the string gravity and supergravity equations in four and higher dimensions”, Phys. Rev. D, 88, no. 2, 2013, 021503