TY  - RPRT
TI  - Indefinite intertwining operators.
AU  - M W Baldoni-Silva
AU  - A W Knapp
PY  - 1984
DO  - 10.1073/pnas.81.4.1272
UR  - https://pubmed.ncbi.nlm.nih.gov/16593424/
ID  - 16593424
ER  -