N-th roots of a non-negative operator: conditions for uniqueness.
Martínez, Celso ; Sanz, Miguel
Manuscripta mathematica, Tome 64 (1989), p. 403-418 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1989-01-01
EUDML-ID : urn:eudml:doc:155415 
@article{GDZPPN002229935,
     title = {N-th roots of a non-negative operator: conditions for uniqueness.},
     journal = {Manuscripta mathematica},
     volume = {64},
     year = {1989},
     pages = {403-418},
     zbl = {0684.47014},
     url = {http://dml.mathdoc.fr/item/GDZPPN002229935}
}

Martínez, Celso; Sanz, Miguel. N-th roots of a non-negative operator: conditions for uniqueness.. Manuscripta mathematica, Tome 64 (1989) pp. 403-418. http://gdmltest.u-ga.fr/item/GDZPPN002229935/