TY  - RPRT
TI  - Solving the phonon Boltzmann equation with the variational method.
AU  - S Pettersson
PY  - 1991
DO  - 10.1103/physrevb.43.9238
UR  - https://pubmed.ncbi.nlm.nih.gov/9996594/
ID  - 9996594
ER  -