TY  - RPRT
TI  - Lower-rank gauge groups in orbifold compactification with background gauge fields.
AU  - H Sato
PY  - 1990
DO  - 10.1103/physrevd.41.2536
UR  - https://pubmed.ncbi.nlm.nih.gov/10012640/
ID  - 10012640
ER  -