Alekseev, G., & Griffiths, J. (2001). Solving the characteristic initial-value problem for colliding plane gravitational and electromagnetic waves.
Chicago Style (17th ed.) CitationAlekseev, G.A, and Jerry Griffiths. Solving the Characteristic Initial-value Problem for Colliding Plane Gravitational and Electromagnetic Waves. 2001.
MLA (9th ed.) CitationAlekseev, G.A, and Jerry Griffiths. Solving the Characteristic Initial-value Problem for Colliding Plane Gravitational and Electromagnetic Waves. 2001.
Warning: These citations may not always be 100% accurate.