@article{COCV_2009__15_3_555_0,
     author = {Krej\v{c}i\v{r}{\'\i}k, David},
     title = {Spectrum of the laplacian in a narrow curved strip with combined {Dirichlet} and {Neumann} boundary conditions},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {555--568},
     publisher = {EDP-Sciences},
     volume = {15},
     number = {3},
     year = {2009},
     doi = {10.1051/cocv:2008035},
     mrnumber = {2542572},
     zbl = {1173.35618},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/cocv:2008035/}
}