@article{1102807021,
author = {Campbell, Stephen L.},
title = {Linear operators for which $T^*T$ and $T+T^*$ commute. III.},
journal = {Pacific J. Math.},
volume = {79},
number = {2},
year = {1978},
pages = { 17-19},
language = {en},
url = {http://dml.mathdoc.fr/item/1102807021}
}
Campbell, Stephen L. Linear operators for which $T^*T$ and $T+T^*$ commute. III.. Pacific J. Math., Tome 79 (1978) no. 2, pp. 17-19. http://gdmltest.u-ga.fr/item/1102807021/