Two perturbation theorems for contraction semigroups in a Hilbert space
Okazawa, Noboru
Proc. Japan Acad., Tome 45 (1969) no. 8, p. 850-853 / Harvested from Project Euclid
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Publié le : 1969-05-15
Classification:  47.48 
@article{1195520546,
     author = {Okazawa, Noboru},
     title = {Two perturbation theorems for contraction semigroups in a Hilbert space},
     journal = {Proc. Japan Acad.},
     volume = {45},
     number = {8},
     year = {1969},
     pages = { 850-853},
     language = {en},
     url = {http://dml.mathdoc.fr/item/1195520546}
}

Okazawa, Noboru. Two perturbation theorems for contraction semigroups in a Hilbert space. Proc. Japan Acad., Tome 45 (1969) no. 8, pp.  850-853. http://gdmltest.u-ga.fr/item/1195520546/