数学物理学报 ›› 1981, Vol. 1 ›› Issue (2): 165-176.
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李志深
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Li Zhishen
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摘要： 本文用短波近似法求得赫姆霍兹方程(3)在光滑凸聚焦面近旁的渐近解,并讨论了有关问题的物理意义。
Abstract: In this paper we obtained the asymptotic solution of Helmholtz's ēquation(▽2+k2a(x))u=0 near a smooth convex caustic by means of the approximate method of short-wave and discussed the physical significance of the problems related to the asymptotic solution.
李志深. 赫姆霍兹方程在聚焦面旁的渐近解[J]. 数学物理学报, 1981, 1(2): 165-176.
Li Zhishen. ASYMPTOTIC SOLUTION OF HELMHOLTZ'S EQUATION NEAR A CAUSTIC[J]. Acta mathematica scientia,Series A, 1981, 1(2): 165-176.
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