Geodesic
Rayleigh asymptotics of diffraction problems
Zapiski Nauchnykh Seminarov POMI, Mathematical problems in the theory of wave propagation. Part 8, Tome 62 (1976), pp. 52-59 
V. Yu. Gotlib. Rayleigh asymptotics of diffraction problems. Zapiski Nauchnykh Seminarov POMI, Mathematical problems in the theory of wave propagation. Part 8, Tome 62 (1976), pp. 52-59. http://geodesic.mathdoc.fr/item/ZNSL_1976_62_a5/
@article{ZNSL_1976_62_a5,
     author = {V. Yu. Gotlib},
     title = {Rayleigh asymptotics of diffraction problems},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {52--59},
     year = {1976},
     volume = {62},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1976_62_a5/}
}
TY  - JOUR
AU  - V. Yu. Gotlib
TI  - Rayleigh asymptotics of diffraction problems
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 1976
SP  - 52
EP  - 59
VL  - 62
UR  - http://geodesic.mathdoc.fr/item/ZNSL_1976_62_a5/
LA  - ru
ID  - ZNSL_1976_62_a5
ER  - 
%0 Journal Article
%A V. Yu. Gotlib
%T Rayleigh asymptotics of diffraction problems
%J Zapiski Nauchnykh Seminarov POMI
%D 1976
%P 52-59
%V 62
%U http://geodesic.mathdoc.fr/item/ZNSL_1976_62_a5/
%G ru
%F ZNSL_1976_62_a5

Voir la notice du chapitre de livre provenant de la source Math-Net.Ru

The paper presents a general procedure for constructing the complete low-frequency asymptotics of diffractions problems applied to the scalar Helmholtz equation. The scattered fields in the near- and far-field zones for various types of boundary conditions are investigated.