Cosine families of unbounded normal operators
Jan Niechwiej
Annales Polonici Mathematici, Tome 49 (1989), p. 191-208 / Harvested from The Polish Digital Mathematics Library
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Publié le : 1989-01-01
EUDML-ID : urn:eudml:doc:265619 
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     author = {Jan Niechwiej},
     title = {Cosine families of unbounded normal operators},
     journal = {Annales Polonici Mathematici},
     volume = {49},
     year = {1989},
     pages = {191-208},
     zbl = {0708.47028},
     language = {en},
     url = {http://dml.mathdoc.fr/item/bwmeta1.element.desklight-a76501c4-e86d-488f-9477-078f5085d61f}
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Jan Niechwiej. Cosine families of unbounded normal operators. Annales Polonici Mathematici, Tome 49 (1989) pp. 191-208. http://gdmltest.u-ga.fr/item/bwmeta1.element.desklight-a76501c4-e86d-488f-9477-078f5085d61f/