Literature cited
Yu. A. Mitropol'skii and O. B. Lykova, Integral Manifolds in Nonlinear Mechanics [in Russian], Nauka, Moscow (1973).
N. N. Bogolyubov and Yu. A. Mitropol'skii, Asymptotic Methods in the Theory of Nonlinear Oscillations [in Russian], Fizmatgiz, Moscow (1963).
N. N. Bogolyubov, Yu. A. Mitropol'skii, and A. M. Samoilenko, The Method of Accelerated Convergence in Nonlinear Mechanics [in Russian], Naukova Dumka, Kiev (1969).
A. A. Andronov, Collected Works [in Russian], Izd-vo Akad. Nauk SSSR, Moscow (1956).
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Translated from Ukrainskii Maten aticheskii Zhurnal, Vol. 28, No. 1, pp. 137–140, January–February, 1976.
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Yatsyuk, V.T. Existence of quasiperiodic solutions of systems of differential equations which are close to being exactly integrable. Ukr Math J 28, 110–112 (1976). https://doi.org/10.1007/BF01559240
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DOI: https://doi.org/10.1007/BF01559240