%0 Journal Article %A D. I. Borisov %T Asymptotics and estimates for the eigenelements of the Laplacian with frequently alternating non-periodic boundary conditions %J Izvestiya. Mathematics %D 2003 %P 1101-1148 %V 67 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_2003_67_6_a1/ %G en %F IM2_2003_67_6_a1