具有正负系数的高阶微分方程非振动解的存在性
刘有军，张建文，燕居让
EXISTENCE OF NONOSCILLATORY SOLUTIONS OF HIGHER-ORDER NONLINEAR DIFFERENTIAL EQUATIONS WITH POSITIVE AND NEGATIVE COEFFICIENTS
LIU Youjun, ZHANG Jianwen, YAN Jurang
系统科学与数学
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2014, (4): 495
-503
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DOI: 10.12341/jssms12317
