Recursion theory week: proceedings of a conference held in Oberwolfach, FRG, March 19-25, 1989/
K. Ambos-Spies, G. H. Müller, G. E. Sacks (eds.).
- Berlin ; New York: Springer-Verlag, c1990.
- vi, 393 p. ; 25 cm.
- Lecture notes in mathematics ; 1432. .
- Lecture notes in mathematics (Springer-Verlag); 1432. .