TY  - RPRT
TI  - O(N)-symmetric lambda phi4 theory: The Gaussian-effective-potential approach.
AU  - PM Stevenson
AU  - B Allès
AU  - R Tarrach
PY  - 1987
DO  - 10.1103/physrevd.35.2407
UR  - https://pubmed.ncbi.nlm.nih.gov/9957942/
ID  - 9957942
ER  -