@article{1195519222,
author = {Fujii, Masatoshi and Nakamoto, Ritsuo},
title = {On some examples of non-normal operators, IV},
journal = {Proc. Japan Acad.},
volume = {49},
number = {9},
year = {1973},
pages = { 591-595},
language = {en},
url = {http://dml.mathdoc.fr/item/1195519222}
}
Fujii, Masatoshi; Nakamoto, Ritsuo. On some examples of non-normal operators, IV. Proc. Japan Acad., Tome 49 (1973) no. 9, pp. 591-595. http://gdmltest.u-ga.fr/item/1195519222/