TY - JOUR AU - A. I. Kozhanov TI - Parabolic equation with unknown absorption coefficient JO - Vestnik Chelyabinskogo Gosudarstvennogo Universiteta. Matematika, Mekhanika, Informatika PY - 2011 SP - 5 EP - 19 IS - 13 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VCHGU_2011_13_a0/ LA - ru ID - VCHGU_2011_13_a0 ER -