TY  - RPRT
TI  - General necessary conditions for optimization problems.
AU  - H Halkin
AU  - L W Neustadt
PY  - 1966
DO  - 10.1073/pnas.56.4.1066
UR  - https://pubmed.ncbi.nlm.nih.gov/16591376/
ID  - 16591376
ER  -