@article{IVM_2017_12_a2,
     author = {A. R. Mirotin},
     title = {On some functional calculus of closed operators on {Banach} space. {III.} {Some} topics of perturbation theory},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {24--34},
     publisher = {mathdoc},
     number = {12},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2017_12_a2/}
}