@article{FAA_1981_15_2_a12,
     author = {N. D. Kopachevskii},
     title = {Basicity properties of the system of characteristic and associated vectors of the self-adjoint operator pencil $I-\lambda A-\lambda^{-1}B$},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {77--78},
     publisher = {mathdoc},
     volume = {15},
     number = {2},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1981_15_2_a12/}
}