TY  - RPRT
TI  - A THEOREM ON CURVATURE TENSOR FIELDS.
AU  - K Nomizu
AU  - H Ozeki
PY  - 1962
DO  - 10.1073/pnas.48.2.206
UR  - https://pubmed.ncbi.nlm.nih.gov/16590922/
ID  - 16590922
ER  -