@article{FAA_1973_7_2_a18,
     author = {I. Ya. Shneiberg},
     title = {On the possible values of the index of {Noetherian} operators in a pair of {Banach} spaces},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {95--96},
     publisher = {mathdoc},
     volume = {7},
     number = {2},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1973_7_2_a18/}
}