Edited by:
A. M. Vinogradov,
Moscow State University (Russia)
Special Issue of Acta Applicandae Mathematicae,
Volume 16, Issue 2, 1989, ISSN: 0167-8019.
Contents

A. V. Bocharov and M. L. Bronstein, Efficiently
implementing two methods of the geometrical theory of differential
equations: an experience in algorithm and software design (pp. 143--166);

E. V. Pankratev, Computations in differential and difference
modules (pp. 167--189);

V. L. Topunov, Reducing systems of linear differential equations
to a passive form (pp. 191--206);

Paul H. M. Kersten, Software to compute infinitesimal symmetries
of exterior differential systems, with applications (pp. 207--229);

P. K. H. Gragert, Lie algebra computations (pp. 231--242).