TY  - RPRT
TI  - Optimal aeroassisted orbital transfer with plane change using collocation and nonlinear programming
AU  - Shi, Yun. Y.
AU  - Nelson, R. L.
AU  - Young, D. H.
PY  - 1990
UR  - https://ntrs.nasa.gov/citations/19910007788
ID  - 19910007788
ER  -