TY  - RPRT
TI  - Phonons in a strongly coupled electron-phonon system.
AU  - A Alexandrov
AU  - H Capellmann
PY  - 1991
DO  - 10.1103/physrevb.43.2042
UR  - https://pubmed.ncbi.nlm.nih.gov/9997472/
ID  - 9997472
ER  -