TY  - RPRT
TI  - Solving the characteristic initial-value problem for colliding plane gravitational and electromagnetic waves.
AU  - G A Alekseev
AU  - J B Griffiths
PY  - 2001
DO  - 10.1103/physrevlett.87.221101
UR  - https://pubmed.ncbi.nlm.nih.gov/11736391/
ID  - 11736391
ER  -