Volume 10, Number 1, July 1990
: Complexity of Factoring and Calculating the GCD of Linear Ordinary Differential Operators.
Volume 10, Number 2, August 1990
: Standard Bases and Some Computations in Rings of Power Series.
A. K. Heng
: Some Remarks On Numerical Iterations in a Symbolic Manipulation System.
Volume 10, Number 3/4, September/October 1990
Volume 10, Number 5, November 1990
Volume 10, Number 6, December 1990
: Leopoldt's Conjecture for Imaginary Galois Number Fields.
: On the Worst Case of Three Algorithms for Computing the Jacobi Symbol.
, Peter-Michael Schmidt
: Computing a Sweeping-Plane in Regular ("General") Position: A Numerical and a Symbolic Solution.
Robert A. Wilson
: The 2- and 3 Modular Characters of J3, its Covering Group and Automorhism Group.