1. Complexity or Differential and Integral Equations Werschulz, Arthur G. 1985 Reports Computer scienceMathematics
2. Complexity of Indefinite Elliptic Problems Werschulz, Arthur G. 1983 Reports Computer scienceMathematics
3. Counterexamples in Optimal Quadrature Werschulz, Arthur G. 1983 Reports Computer scienceMathematics
4. Is Gauss quadrature optimal for analytic functions? Kowalski, M. A.; Werschulz, Arthur G.; Wozniakowski, Henryk 1983 Reports Computer scienceMathematics
5. What Is the Complexity of Related Elliptic, Parabolic, and Hyperbolic Problems? Werschulz, Arthur G. 1983 Reports Computer scienceMathematics