DISTRIBUTION OF LIMIT CYCLES OF THE PLANAR CUBIC SYSTEM
摘要
The results of this paper are as follows: (ⅰ) For the planar cubic system (E)_α, the existence on distribution of limit cycles with the structure (1) + (1) + (1)((1) + (1))has been proved. (ⅱ) For the non-linear oscillators (1.1′) and (1.2′) without xg(x)0, some sufficient conditions on the existence of limit cycle containing more than one singular point in its interior are given.
引用本文（GB/T 7714）
Jian Li. DISTRIBUTION OF LIMIT CYCLES OF THE PLANAR CUBIC SYSTEM[J]. 未知来源, 1985.
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