TY  - RPRT
TI  - Hierarchical quantum Ising model.
AU  - Z Lin
AU  - R Tao
PY  - 1990
DO  - 10.1103/physrevb.41.11597
UR  - https://pubmed.ncbi.nlm.nih.gov/9993588/
ID  - 9993588
ER  -