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@article{SF_1993__47_2_135251, author = {S.Y. Shaw and Y.C. Li}, title = {On generators of integrated {C-semigroups} and {C} -cosine functions.}, journal = {Semigroup forum}, pages = {29--35}, publisher = {mathdoc}, volume = {47}, number = {2}, year = {1993}, zbl = {0804.47044}, url = {http://geodesic.mathdoc.fr/item/SF_1993__47_2_135251/} }
S.Y. Shaw; Y.C. Li. On generators of integrated C-semigroups and C -cosine functions.. Semigroup forum, Tome 47 (1993) no. 2, pp. 29-35. http://geodesic.mathdoc.fr/item/SF_1993__47_2_135251/