TY  - RPRT
TI  - Rotational invariance in light-cone quantization.
AU  - M Burkardt
AU  - A Langnau
PY  - 1991
DO  - 10.1103/physrevd.44.3857
UR  - https://pubmed.ncbi.nlm.nih.gov/10013858/
ID  - 10013858
ER  -