@article{MZM_1993_53_1_a8,
     author = {A. I. Prilepko and A. B. Kostin},
     title = {Estimation of the spectral radius of an operator and the solvability of inverse problems for evolution equations},
     journal = {Matemati\v{c}eskie zametki},
     pages = {89--94},
     publisher = {mathdoc},
     volume = {53},
     number = {1},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1993_53_1_a8/}
}