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Michael Gil’ 《数学物理学报(B辑英文版)》2012,32(3):1083-1092
Let P(z) and (P)(z) be polynomials of the same degree. We consider the equations u" =P(z)u and (u)" =(P)(z)(u) (z ∈ C) whose solutions are u(z) and (u)(z),respectively.Let zk(u) and zk((u)),k =1,2,…,be... 相似文献
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