TY  - RPRT
TI  - Conjugate gradient methods with an application to V/STOL flight-path optimization.
AU  - Bryson, A. E., Jr.
AU  - Mehra, R. K.
PY  - 1969
UR  - https://ntrs.nasa.gov/citations/19690048774
ID  - 19690048774
ER  -