TY  - RPRT
TI  - Constraints on collective density variables: two dimensions.
AU  - Obioma U Uche
AU  - Frank H Stillinger
AU  - Salvatore Torquato
PY  - 2004
DO  - 10.1103/physreve.70.046122
UR  - https://pubmed.ncbi.nlm.nih.gov/15600475/
ID  - 15600475
ER  -