@article{EMJ_2017_8_1_a8,
     author = {A. K. Motovilov and A. A. Shkalikov},
     title = {Unconditional bases of subspaces related to non-self-adjoint perturbations of self-adjoint operators},
     journal = {Eurasian mathematical journal},
     pages = {119--127},
     publisher = {mathdoc},
     volume = {8},
     number = {1},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EMJ_2017_8_1_a8/}
}