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Translated fromSibirskiî Matematicheskiî Zhurnal, Vol. 35, No. 6, pp. 1390–1396, November–December, 1994.
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Cheresiz, V.M. On the isoclines of polynomial vector fields. Sib Math J 35, 1234–1239 (1994). https://doi.org/10.1007/BF02104723
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DOI: https://doi.org/10.1007/BF02104723