@article{GDZPPN002178516,
title = {Contribution to the theory of maximal, normal operators in a separable and complete Hilbert-Hermite-space. II.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {203},
year = {1960},
pages = {90-109},
zbl = {0178.49003},
url = {http://dml.mathdoc.fr/item/GDZPPN002178516}
}
Nikodym, Otton Martin. Contribution to the theory of maximal, normal operators in a separable and complete Hilbert-Hermite-space. II.. Journal für die reine und angewandte Mathematik, Tome 203 (1960) pp. 90-109. http://gdmltest.u-ga.fr/item/GDZPPN002178516/