TY  - RPRT
TI  - Quantum spherical spin models.
AU  - R Serral Gracià
AU  - Th M Nieuwenhuizen
PY  - 2004
DO  - 10.1103/physreve.69.056119
UR  - https://pubmed.ncbi.nlm.nih.gov/15244895/
ID  - 15244895
ER  -