Annotation
An analytical solution for variations of the external orbit in ternary stellar systems of $\varepsilon$ Lyr type is obtained. An example of the $\xi$ U.Ma. system is considered.
© 2016 Publisher M.V.Lomonosov Moscow State University
Authors
N.A. Solovaya
Sternberg State Institute of Astronomy, Moscow State University, Leninskie Gory, Moscow, 119992, Russia
Sternberg State Institute of Astronomy, Moscow State University, Leninskie Gory, Moscow, 119992, Russia
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