@article{bwmeta1.element.bwnjournal-article-smv38i1p24bwm,
author = {Bernard Gelbaum},
title = {On a class of operators in Hilbert space},
journal = {Studia Mathematica},
volume = {34},
year = {1970},
pages = {279-284},
zbl = {0203.14003},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-smv38i1p24bwm}
}
Gelbaum, Bernard. On a class of operators in Hilbert space. Studia Mathematica, Tome 34 (1970) pp. 279-284. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-smv38i1p24bwm/