On a subclass of pseudopolynomial problems
In: Mathematical Foundations of Computer Science, Jg. 9, S. 414-425
On genuinely time bounded computations
In: STACS 1989, Jg. 1989, S. 1-16On 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. 185-201On transactions in logic programming languages
In: Logic programming : proceedings of the Eighth International Conference [on Logic Programming, held in Paris, France, June 24 - 28, 1991]Organisations- und Personalentwicklung in der Berufsbildung
In: Berufliche Bildung im lernenden Unternehmen, Jg. 1991, S. 33-43