Geodesic
Comparison Kirchhoff's method and the method of parabolic equation in the whispering gallery waves problem in a vicinity of flex point: of the boundary
Zapiski Nauchnykh Seminarov POMI, Mathematical problems in the theory of wave propagation. Part 11, Tome 104 (1981), pp. 139-145 Cet article a éte moissonné depuis la source Math-Net.Ru

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The whispering gallery waves problem in a neighbourhood of a boundary flex point is considered. The author uses Kirchhoff's method and compares the results with the ones obtained by the method of parabolic equation [1]. The results of the comparison are discussed and diagramms are presented. 
@article{ZNSL_1981_104_a13,
     author = {A. I. Lanin},
     title = {Comparison {Kirchhoff's} method and the method of parabolic equation in the whispering gallery waves problem in a~vicinity of flex point: of the boundary},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {139--145},
     year = {1981},
     volume = {104},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1981_104_a13/}
}
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%A A. I. Lanin
%T Comparison Kirchhoff's method and the method of parabolic equation in the whispering gallery waves problem in a vicinity of flex point: of the boundary
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%D 1981
%P 139-145
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%G ru
%F ZNSL_1981_104_a13
A. I. Lanin. Comparison Kirchhoff's method and the method of parabolic equation in the whispering gallery waves problem in a vicinity of flex point: of the boundary. Zapiski Nauchnykh Seminarov POMI, Mathematical problems in the theory of wave propagation. Part 11, Tome 104 (1981), pp. 139-145. http://geodesic.mathdoc.fr/item/ZNSL_1981_104_a13/