TY - CONF A1 - Meer, Klaus A1 - Ziegler, Martin A2 - Beckmann, Arnold T1 - Uncomputability below the real halting problem T2 - Second Conference on Computability in Europe, CiE 2006, Swansea, UK, June 30 - July 5, 2006, proceedings. Y1 - 2009 UR - https://opus4.kobv.de/opus4-UBICO/frontdoor/index/index/docId/4158 SN - 978-3-540-35466-6 SP - 368 EP - 377 PB - Springer CY - Berlin ER -