TY  - RPRT
TI  - Perturbative treatments and learning techniques.
AU  - L Diambra
AU  - A Plastino
PY  - 1996
DO  - 10.1103/physreve.53.3970
UR  - https://pubmed.ncbi.nlm.nih.gov/9964708/
ID  - 9964708
ER  -