TY - JOUR AU - V. N. Maslennikova AU - Yu. S. Vereshchagina TI - A~boundary value problem for the Poisson equation for two media in $L_p^2$-spaces JO - Matematičeskie zametki PY - 1999 SP - 515 EP - 526 VL - 66 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1999_66_4_a5/ LA - ru ID - MZM_1999_66_4_a5 ER -