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@article{AM2_1990__40_1_137369, author = {H. Kraljevic and J. Pecaric}, title = {Some {Landau's} type inequalities for infinitesimal generators.}, journal = {Aequationes mathematicae}, pages = {147--153}, publisher = {mathdoc}, volume = {40}, number = {1}, year = {1990}, zbl = {0738.47033}, url = {http://geodesic.mathdoc.fr/item/AM2_1990__40_1_137369/} }
H. Kraljevic; J. Pecaric. Some Landau's type inequalities for infinitesimal generators.. Aequationes mathematicae, Tome 40 (1990) no. 1, pp. 147-153. http://geodesic.mathdoc.fr/item/AM2_1990__40_1_137369/