@article{ZNSL_2012_401_a4,
     author = {V. M. Kaplitskii},
     title = {On regulariziers of unbounded linear operators in {Banach} spaces},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {93--102},
     year = {2012},
     volume = {401},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2012_401_a4/}
}