@article{10_4064_sm191_2_5,
     author = {Timothy Nguyen},
     title = {A lower bound on the radius of analyticity of a power series in a real {Banach} space},
     journal = {Studia Mathematica},
     pages = {171--179},
     year = {2009},
     volume = {191},
     number = {2},
     doi = {10.4064/sm191-2-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm191-2-5/}
}