E. Walles Books
Phase Integral Method
By Nanny Froman, N. Froman, A. Hokback, A. Dzieciol, Per O. Froman, S. Linnaeus, B. Lundborg, E. Walles, P.O. Froman
This book is the result of two decades spent by the authors developing and refining the phase-integral method to a high level of precision. The efficiency of the phase-integral method has been show...
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