@article{AA_2011_23_2_a1,
     author = {A. B. Aleksandrov and V. V. Peller},
     title = {Functions of perturbed dissipative operators},
     journal = {Algebra i analiz},
     pages = {9--51},
     publisher = {mathdoc},
     volume = {23},
     number = {2},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2011_23_2_a1/}
}