@article{10_4064_sm170_3_7,
     author = {Jacek Jachymski},
     title = {A nonlinear {Banach{\textendash}Steinhaus} theorem and
 some meager sets in {Banach} spaces},
     journal = {Studia Mathematica},
     pages = {303--320},
     year = {2005},
     volume = {170},
     number = {3},
     doi = {10.4064/sm170-3-7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm170-3-7/}
}