TY  - RPRT
TI  - Nonlinear wave equations for relativity.
AU  - van Putten MH
AU  - DM Eardley
PY  - 1996
DO  - 10.1103/physrevd.53.3056
UR  - https://pubmed.ncbi.nlm.nih.gov/10020302/
ID  - 10020302
ER  -