Effective Membrane Permeability: Estimates and Low Concentration Asymptotics. - Alexander G. Belyaev; Gregory A. Chechkin; Rustem R. Gadyl'shin (SIAM J. Appl. Math., 1999)

On the spectrum of the Neumann problem for Laplace equation in a domain with a narrow slit. - Rustem R. Gadyl'shin; Arlen M. Il'in (Asymptot. Anal., 2010)