TY  - RPRT
TI  - Graph rules for functions of the time-evolution operator.
AU  - HD Dahmen
AU  - W Krzyzanowski
AU  - ML Larsen
PY  - 1986
DO  - 10.1103/physrevd.33.1726
UR  - https://pubmed.ncbi.nlm.nih.gov/9956823/
ID  - 9956823
ER  -