@article{10_4064_cm_51_1_287_294,
     author = {Tadeusz Pytlik},
     title = {Analytic semigroups in {Banach} algebras and a theorem of {Hille}},
     journal = {Colloquium Mathematicum},
     pages = {287--294},
     publisher = {mathdoc},
     volume = {51},
     number = {1},
     year = {1987},
     doi = {10.4064/cm-51-1-287-294},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-51-1-287-294/}
}