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@article{AM2_1988__36_2-3_137276, author = {Ioana Cionarescu and Carlos Lizama}, title = {Spectral properties of cosine operator functions.}, journal = {Aequationes mathematicae}, pages = {80--98}, publisher = {mathdoc}, volume = {36}, number = {2-3}, year = {1988}, zbl = {0675.47029}, url = {http://geodesic.mathdoc.fr/item/AM2_1988__36_2-3_137276/} }
Ioana Cionarescu; Carlos Lizama. Spectral properties of cosine operator functions.. Aequationes mathematicae, Tome 36 (1988) no. 2-3, pp. 80-98. http://geodesic.mathdoc.fr/item/AM2_1988__36_2-3_137276/