On logarithms of normal positive operators
Trudy Matematicheskogo Instituta imeni V.A. Steklova, Tome 16 (1961) no. 4
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@article{RM_1961_16_4_a19,
author = {P. E. Sobolevskii},
title = {On logarithms of normal positive operators},
journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
publisher = {mathdoc},
volume = {16},
number = {4},
year = {1961},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/RM_1961_16_4_a19/}
}
P. E. Sobolevskii. On logarithms of normal positive operators. Trudy Matematicheskogo Instituta imeni V.A. Steklova, Tome 16 (1961) no. 4. http://geodesic.mathdoc.fr/item/RM_1961_16_4_a19/