%0 Journal Article %A M. Yu. Planida %T Asymptotics of the eigenelements of the Laplacian with singular perturbations of boundary conditions on narrow and thin sets %J Sbornik. Mathematics %D 2005 %P 703-741 %V 196 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2005_196_5_a3/ %G en %F SM_2005_196_5_a3