TY  - BOOK
AU  - Newcomb,Simon
TI  - On the general integrals of planetary motion,
T2  - Smithsonian contributions to knowledge. [vol. XXI, art. 3]
AV  - Q11 .S68
PY  - 1874///]
CY  - [Washington
PB  - Smithsonian Institution
KW  - Astronomy
KW  - Perturbation (Astronomy)
ER  -