Geodesic
Algorithms for estimation of basic elements for spectral functions of interference wave fields
Zapiski Nauchnykh Seminarov POMI, Interference waves in layered media. Part 1, Tome 214 (1994), pp. 187-199

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The description of simple algorithms for numerical solution in complex plane the dispersion equations depending on real parameter is given. Also the algorithms for numerical integration along the stationary contours in complex plane in the presence of integrand's singularities of branch points' and poles types are formulated. The algorithms were applied in calculations of the spectral functions for wave field propagating in elastic layered media. Bibliography: 3 titles. 
@article{ZNSL_1994_214_a1,
     author = {Yu. V. Kiselev},
     title = {Algorithms for estimation of basic elements for spectral functions of interference wave fields},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {187--199},
     publisher = {mathdoc},
     volume = {214},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1994_214_a1/}
}
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Yu. V. Kiselev. Algorithms for estimation of basic elements for spectral functions of interference wave fields. Zapiski Nauchnykh Seminarov POMI, Interference waves in layered media. Part 1, Tome 214 (1994), pp. 187-199. http://geodesic.mathdoc.fr/item/ZNSL_1994_214_a1/