Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleReduzierbarkeit von Berechenbaren Numerierungen von P<sub>1</sub>.AuthorsFalkinger, JosefPublicationMathematical Logic Quarterly, 1980, Vol 26, Issue 28-30, p445ISSN0942-5616Publication typeArticleDOI10.1002/malq.19800262804