Geodesic
The center-focus problem and reflecting function
Problemy fiziki, matematiki i tehniki, no. 2 (2020), pp. 80-84.

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One way of application the reflecting function to the solution of the center-focus problem is given.
Keywords: reflecting function, differential equation, periodic solution, centre-focus problem. 
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V. I. Mironenko; V. V. Mironenko. The center-focus problem and reflecting function. Problemy fiziki, matematiki i tehniki, no. 2 (2020), pp. 80-84. http://geodesic.mathdoc.fr/item/PFMT_2020_2_a14/

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