Nondeterministic versus probabilistic linear search algorithms
In: FOCS 1985, Jg. 1985, S. 65-73
A note on Howe's oscillator semigroup
In: Annales de l'Institut Fourier, Jg. 1989, S. 663-688
A note on infinite string modules
In: Representations of algebras (Conference proceedings / Canadian Mathematical Society : 14), Jg. 1993, S. 309-312





On a subclass of pseudopolynomial problems
In: Mathematical Foundations of Computer Science, Jg. 9, S. 414-425
On exposed semigroup homomorphisms
In: Semigroup Forum, Jg. 1977, S. 189-204

On genuinely time bounded computations
In: STACS 1989, Jg. 1989, S. 1-16



On the "Fundamental Principle" of L. Ehrenpreis
In: Partial differential equations : papers presented at Stefan Banach International Math. Center at the semester "Partial differential equations" held Sept. 11 - Dec. 16, 1978 (Banach Center publications : 10), Jg. 1983, S. 185-201


On the design and implementation of reliable and economical telematics software architectures for embedded systems
a domain-specific framework2010
On the four terms in the middle theorem for almost split sequences
In: Archiv der Mathematik, Jg. 1994, S. 501-505
