Bele︠t︡skiĭ, V. V., & Levin, E. M. (1990). Dinamika kosmicheskikh trosovykh sistem. "Nauka," Glav. red. Fiziko-matematicheskoĭ lit-ry.
Lua i Stíl Chicago (17ú heag.)Bele︠t︡skiĭ, V. V., agus E. M. Levin. Dinamika Kosmicheskikh Trosovykh Sistem. Moskva: "Nauka," Glav. red. Fiziko-matematicheskoĭ lit-ry, 1990.
Lua MLA (8ú heag.)Bele︠t︡skiĭ, V. V., agus E. M. Levin. Dinamika Kosmicheskikh Trosovykh Sistem. "Nauka," Glav. red. Fiziko-matematicheskoĭ lit-ry, 1990.
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