Geodesic
Asymptotics of the Green function for the Neumann problem near the boundary point
Zapiski Nauchnykh Seminarov POMI, Questions of quantum field theory and statistical physics. Part 4, Tome 131 (1983), pp. 142-147 
M. D. Faddeev. Asymptotics of the Green function for the Neumann problem near the boundary point. Zapiski Nauchnykh Seminarov POMI, Questions of quantum field theory and statistical physics. Part 4, Tome 131 (1983), pp. 142-147. http://geodesic.mathdoc.fr/item/ZNSL_1983_131_a12/
@article{ZNSL_1983_131_a12,
     author = {M. D. Faddeev},
     title = {Asymptotics of the {Green} function for the {Neumann} problem near the boundary point},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {142--147},
     year = {1983},
     volume = {131},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1983_131_a12/}
}
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Voir la notice du chapitre de livre provenant de la source Math-Net.Ru

She asymptotics of the Green functions for internal and external Neumann problems is derived near the pole on the boundary of the domain.