具有不定奇性的三阶微分方程周期正解的存在性Existence of Positive Periodic Solutions for a Third-Order Differential Equation with an Indefinite Singularity
宋 娟, 程志波 下载量: 311 浏览量: 386
应用数学进展 Vol.11 No.11, November 10 2022, PDF, HTML, XML DOI:10.12677/AAM.2022.1111814 被引量