@article{MS2_1989__65_2_167069,
     author = {Zolt\'an Magyar},
     title = {On the analytic vector variant of the {Hille-Yosida} theorem.},
     journal = {Mathematica Scandinavica},
     pages = {93--102},
     publisher = {mathdoc},
     volume = {65},
     number = {2},
     year = {1989},
     zbl = {0707.47030},
     url = {http://geodesic.mathdoc.fr/item/MS2_1989__65_2_167069/}
}