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Abstract:
定理A[1]设y(t)、z(t)分别为y″+g(t)y=0(1)z″+r(t)z=0(2)的非平凡解,其中g(t)及r(t)是满足g(t)>r(t)的两个正值函数,则在z(t)任何两个相邻的零点之间,至少有一次y(t)=0.本文考虑如下非线性微分方程...
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福州大学学报(自然科学版)
ISSN: 1000-2243
CN: 35-1337/N
Year: 1999
Issue: 01
Page: 118-119
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 1
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