OA journal - HD 12/9/16. - Note from Publisher website (https://www.emis.de/journals/AM/index.html): Archivum mathematicum supports an open access policy according to BOAI. The journal is applying Creative Commons licence CC BY-NC-ND, allowing to download and share the papers provided they are not changed and they are not used commercially. The authors hold and retain the copyright for their published papers., 13.9.16--MMM