TY - JOUR AU - Boško S. Jovanović TI - About some types of boundary value problems with interfaces JO - Kragujevac Journal of Mathematics PY - 2007 SP - 13 VL - 30 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KJM_2007_30_a1/ LA - en ID - KJM_2007_30_a1 ER -