TY - JOUR AU - V. V. Klyuchev TI - On necessary conditions for the slow convergence of a class of methods for solving an inverse Cauchy problem in a Banach space JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 2005 SP - 78 EP - 81 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_2005_8_a9/ LA - ru ID - IVM_2005_8_a9 ER -