@article{GDZPPN002288699,
title = {On the state of a linear operator and its adjoint.},
journal = {Mathematische Annalen},
volume = {141},
year = {1960},
pages = {153-160},
language = {en},
url = {http://dml.mathdoc.fr/item/GDZPPN002288699}
}
KBISHNAMURTHY, V. On the state of a linear operator and its adjoint.. Mathematische Annalen, Tome 141 (1960) pp. 153-160. http://gdmltest.u-ga.fr/item/GDZPPN002288699/