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NORMAL FORM AND NONEXISTENCE OF LIMIT CYCLE OF A CLASS OF CUBIC SYSTEM[J]. Journal of South China Normal University (Natural Science Edition), 2011, (2).
Citation: NORMAL FORM AND NONEXISTENCE OF LIMIT CYCLE OF A CLASS OF CUBIC SYSTEM[J]. Journal of South China Normal University (Natural Science Edition), 2011, (2).

NORMAL FORM AND NONEXISTENCE OF LIMIT CYCLE OF A CLASS OF CUBIC SYSTEM

  • A planar cubic differential system with an inverse integrating factor, whose degree is no large than 3, is investigated. The normal form of this system is given and it is proved that this system has no limit cycles.
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