EDITOR-IN-CHIEF Eugen Paal, Estonia ASSOCIATE EDITORS Andrzej Borowiec, Poland Aleš Drápal, Czech Republic Wieslaw A. Dudek, Poland Alice Fialowski, Hungary Nail H. Ibragimov, Sweden Natalia Iyudu, United Kingdom Richard Kerner, France Michael Kinyon, USA Olav A. Laudal, Norway Folkert Müller-Hoissen, Germany Abdenacer Makhlouf, France Ieke Moerdijk, The Netherlands Zbigniew Oziewicz, Mexico J. D. Phillips, USA Victor Shcherbacov, Moldova Ivan Shestakov, Brazil Sergei Silvestrov, Sweden Jonathan D. H. Smith, USA Alexander Stolin, Sweden Aleksy Tralle, Poland Alexander A. Voronov, USA