TY  - RPRT
TI  - Stable controls in age-dependent population dynamics.
AU  - J H Swart
PY  - 1989
DO  - 10.1016/0025-5564(89)90051-5
UR  - https://pubmed.ncbi.nlm.nih.gov/2520177/
ID  - 2520177
ER  -