%0 Journal Article %A T. A. Mel'nik %A G. A. Chechkin %T Asymptotic analysis of boundary-value problems in thick three-dimensional multi-level junctions %J Sbornik. Mathematics %D 2009 %P 357-383 %V 200 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2009_200_3_a3/ %G en %F SM_2009_200_3_a3