Works citing   [Math. Nachr. 281 (2008) 1159-1168]

1. O. Olendski and L. Mikhailovska:
   Theory of a curved planar waveguide with Robin boundary conditions,
   Phys. Rev. E 81 (2010), Art. No. 036606.
   
   
2. Ph. Briet, J. Dittrich and E. Soccorsi:
   Scattering through a straight quantum waveguide with combined boundary conditions,
   J. Math. Phys. 55 (2014), Art. No. 112104.
   
   
3. M. Choulli and E. Soccorsi:
   An inverse anisotropic conductivity problem induced by twisting a homogeneous cylindrical domain,
   J. Spectr. Theory 5 (2015), 295-329.
   
   
4. M. Egert, R. Haller-Dintelmann and J. Rehberg:
   Hardy's Inequality for Functions Vanishing on a Part of the Boundary,
   Potential Anal. 43 (2015), 49-78.
   
   
5. F. L. Bakharev and P. Exner:
   Geometrically induced spectral effects in tubes with a mixed Dirichlet-Neumann boundary,
   Rep. Math. Phys. 81 (2018), 213-231.