Online access to Acta Mathematica is no longer available. According to their Web site, the full text of has been removed because "the files were unfortunately full of errors, missing pages, wrong year numbers, distorted characters, etc.��? The print version of Acta Mathematica is available in the Science Library from vol. 18 (1950) forward, and on microfilm for vol. 1-82 (1882-1950).