@article{DAN_1963_152_2_a1,
     author = {V. Ya. Volk},
     title = {On the spectral decomposition for a class of non-selfadjoint operators},
     journal = {Doklady Akademii Nauk},
     pages = {259--261},
     publisher = {mathdoc},
     volume = {152},
     number = {2},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_152_2_a1/}
}