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Original Russian Text © G.A. Kolyutsky, 2010, published in Doklady Akademii Nauk, 2010, Vol. 431, No. 1, pp. 12–15.
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Kolyutsky, G.A. Upper bounds on the number of limit cycles in generalized Liénard equations of odd type. Dokl. Math. 81, 176–179 (2010). https://doi.org/10.1134/S106456241002002X
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DOI: https://doi.org/10.1134/S106456241002002X