منابع مشابه
PERIODIC SOLUTIONS OF CERTAIN THREE DIMENSIONAL AUTONOMOUS SYSTEMS
There has been extensive work on the existence of periodic solutions for nonlinear second order autonomous differantial equations, but little work regarding the third order problems. The popular Poincare-Bendixon theorem applies well to the former but not the latter (see [2] and [3]). We give a necessary condition for the existence of periodic solutions for the third order autonomous system...
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ژورنال
عنوان ژورنال: Vietnam Journal of Science and Technology
سال: 2017
ISSN: 2525-2518,2525-2518
DOI: 10.15625/2525-2518/55/3/8632