TY  - RPRT
TI  - Graphical method for operating in second quantization.
AU  - C Valdemoro
AU  - Pérez del Valle C
AU  - E Pérez-Romero
AU  - F Colmenero
PY  - 1994
DO  - 10.1103/physreva.49.4217
UR  - https://pubmed.ncbi.nlm.nih.gov/9910722/
ID  - 9910722
ER  -