@article{FAA_1988_22_4_a9,
     author = {V. F. Veselov},
     title = {Bases from eigensubspaces of a nondissipative operator and the characteristic function},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {76--77},
     publisher = {mathdoc},
     volume = {22},
     number = {4},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1988_22_4_a9/}
}