1. Weighted Strongly Elliptic Operators on Lie Groups;Journal of Functional Analysis;1994-11
2. Subelliptic operators on Lie groups: regularity;Journal of the Australian Mathematical Society. Series A. Pure Mathematics and Statistics;1994-10
3. How To Measure Smoothness;Theory of Function Spaces II;1992
4. On infinitely differentiable and Gevrey vectors for representation;Proceedings of the American Mathematical Society;1991
5. The heat semigroup and integrability of Lie algebras: Lipschitz spaces and smoothness properties;Communications in Mathematical Physics;1990-08