Prokopenya An 1

1. Study of Secular Perturbations in the Restricted Three-Body Problem of Variable Masses Using Computer Algebra
2. Investigation of the dynamical evolution of planetary systems with isotropically varying masses
3. Secular evolution of circumbinary 2-planet systems with isotropically varying masses
4. Derivation of Evolutionary Equations in the Many-Body Problem with Isotropically Varying Masses Using Computer Algebra
5. Symbolic Calculations in the Study of Secular Perturbations in the Many-Body Problem with Variable Masses
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