TY - JOUR AU - T. A. Mel'nik AU - G. A. Chechkin TI - Asymptotic analysis of boundary-value problems in thick three-dimensional multi-level junctions JO - Sbornik. Mathematics PY - 2009 SP - 357 EP - 383 VL - 200 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_2009_200_3_a3/ LA - en ID - SM_2009_200_3_a3 ER -