TY  - RPRT
TI  - Integral equation models for endemic infectious diseases.
AU  - H W Hethcote
AU  - D W Tudor
PY  - 1980
DO  - 10.1007/bf00276034
UR  - https://pubmed.ncbi.nlm.nih.gov/7365328/
ID  - 7365328
ER  -