TY  - RPRT
TI  - Bound-state problem in quantum field theory: Linear and nonlinear dynamics.
AU  - LS Celenza
AU  - CR Ji
AU  - CM Shakin
PY  - 1987
DO  - 10.1103/physrevd.36.2506
UR  - https://pubmed.ncbi.nlm.nih.gov/9958459/
ID  - 9958459
ER  -