@misc{indiciae381e10791dd8, title = {Self-consistent retardation in a three-dimensional relativistic equation.}, author = {GA Crawford and RM Thaler}, year = {1988}, doi = {10.1103/physrevc.38.2989}, url = {https://pubmed.ncbi.nlm.nih.gov/9955152/}, note = {Source identifier: 9955152} }