TY  - RPRT
TI  - Second-order wave equation for spin-(1/2) fields.
AU  - Cufaro Petroni N
AU  - P Gueret
AU  - JP Vigier
AU  - A Kyprianidis
PY  - 1985
DO  - 10.1103/physrevd.31.3157
UR  - https://pubmed.ncbi.nlm.nih.gov/9955646/
ID  - 9955646
ER  -