@article{FAA_1997_31_4_a11,
     author = {S. A. Stepin},
     title = {On {Finiteness} {Conditions} for the {Point} {Spectrum} in the {Nonself-Adjoint} {Friedrichs} {Model}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {83--86},
     publisher = {mathdoc},
     volume = {31},
     number = {4},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1997_31_4_a11/}
}