一类二阶微分方程的讨论

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1008-9020|22|3|4-6

ISSN: 1008-9020

Source: 甘肃高师学报, Vol.22, Iss.3, 2017-01, pp. : 4-6

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Abstract