时标上具有时滞Lotka-Volterra模型的正周期解的存在性
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1009-8666|31|12|13-18
ISSN: 1009-8666
Source: 乐山师范学院学报, Vol.31, Iss.12, 2016-01, pp. : 13-18
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Abstract