TY  - RPRT
TI  - Strong Levinson theorem for the Dirac equation.
AU  - Alex Calogeracos
AU  - Norman Dombey
PY  - 2004
DO  - 10.1103/physrevlett.93.180405
UR  - https://pubmed.ncbi.nlm.nih.gov/15525138/
ID  - 15525138
ER  -