Alekseev G., “Travelling Waves in Expanding Spatially Homogeneous Space-Times”, Class. Quantum Gravity, 32:7 (2015), 075009
Alekseev G.A., “Monodromy Transform and the Integral Equation Method for Solving the String Gravity and Supergravity Equations in Four and Higher Dimensions”, Phys. Rev. D, 88:2 (2013), 021503
Tongas, A, “Generalized hyperbolic Ernst equations for an Einstein-Maxwell-Weyl field”, Journal of Physics A-Mathematical and General, 38:4 (2005), 895
Alekseev, GA, “Collision of plane gravitational and electromagnetic waves in a Minkowski background: solution of the characteristic initial value problem”, Classical and Quantum Gravity, 21:23 (2004), 5623
Kechkin, OV, “Sigma-models coupled to gravity in string theory”, Physics of Particles and Nuclei, 35:3 (2004), 383
Karas, V, “Gravitating discs around black holes”, Classical and Quantum Gravity, 21:7 (2004), R1
Alekseev G.A., Griffiths J.B., “Solving the characteristic initial-value problem for colliding plane gravitational and electromagnetic waves”, Phys. Rev. Lett., 87:22 (2001), 221101