@article{1195511704,
author = {Ozawa, Shin and Roppongi, Susumu},
title = {Singular variation of domain and eigenvalues of the Laplacian with the third boundary condition},
journal = {Proc. Japan Acad. Ser. A Math. Sci.},
volume = {68},
number = {10},
year = {1992},
pages = { 186-189},
language = {en},
url = {http://dml.mathdoc.fr/item/1195511704}
}
Ozawa, Shin; Roppongi, Susumu. Singular variation of domain and eigenvalues of the Laplacian with the third boundary condition. Proc. Japan Acad. Ser. A Math. Sci., Tome 68 (1992) no. 10, pp. 186-189. http://gdmltest.u-ga.fr/item/1195511704/