H. Rolletschek

Complexity of Certain Decision Problems about Congruential Languages

Paliath Narendran, Heinrich Rolletschek, Colm Ó'Dúnlaing, 1985, J. Comput. Syst. Sci..

Computing greatest common divisors and factorizations in quadratic number fields

Erich Kaltofen, Heinrich Rolletschek, H. Rolletschek, 1989 .

On the Number of Divisions of the Euclidean Algorithm Applied to Gaussian Integers

Heinrich Rolletschek, H. Rolletschek, 1986, J. Symb. Comput..

Algorithm 628: An algorithm for constructing canonical bases of polynomial ideals

Bruno Buchberger, Heinrich Rolletschek, Franz Winkler, 1985, TOMS.

Arithmetic in Quadratic Fields with Unique Factorization

Erich Kaltofen, Heinrich Rolletschek, H. Rolletschek, 1985, European Conference on Computer Algebra.

Some New Lattice Constructions in High R. E. Degrees

Heinrich Rolletschek, H. Rolletschek, 1995, Math. Log. Q..