MathSciNet bibliographic data MR259239 34.41 Ilʹjašenko, Ju. S. An example of equations \$dw/dz=P\sb{n}\,(z,\,w)/Q\sb{n}\,(z,\,w)\$$dw/dz=P\sb{n}\,(z,\,w)/Q\sb{n}\,(z,\,w)$ having a countable number of limit cycles and arbitrarily high Petrovskiĭ-Landis genus. (Russian) Mat. Sb. (N.S.) 80 (122) 1969 388–404. Links to the journal or article are not yet available

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