Bulletin of the Brazilian Mathematical Society. 1990;20(2):49-58. doi: 10.1007/bf02585433 Q20.92025
Existence of periodic solutions of Hamiltonian systems on almost every energy surface
哈密顿系统在几乎每个能量面上周期解的存在性
DOI: 10.1007/bf02585433
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Bulletin of the Brazilian Mathematical Society. 1990;20(2):49-58. doi: 10.1007/bf02585433 Q20.92025
DOI: 10.1007/bf02585433
摘要 查看摘要