TY  - RPRT
TI  - An invariant for certain operator algebras.
AU  - R W Carey
AU  - J D Pincus
PY  - 1974
DO  - 10.1073/pnas.71.5.1952
UR  - https://pubmed.ncbi.nlm.nih.gov/16592156/
ID  - 16592156
ER  -