TY - JOUR AU - A. I. Prilepko AU - A. B. Kostin TI - Estimation of the spectral radius of an operator and the solvability of inverse problems for evolution equations JO - Matematičeskie zametki PY - 1993 SP - 89 EP - 94 VL - 53 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1993_53_1_a8/ LA - ru ID - MZM_1993_53_1_a8 ER -