TY  - RPRT
TI  - Flight trajectories around planets with return to earth
AU  - Brauze, V. R. E.
AU  - Da Hkov, A. A.
AU  - Kubasov, V. N.
PY  - 1969
UR  - https://ntrs.nasa.gov/citations/19690005335
ID  - 19690005335
ER  -