Concrete methods for summing almost periodic functions and their relation to uniform distribution of semigroup actions F. P. Greenleaf — 1979 Colloquium Mathematicae
Uniform convergence and decay of Fourier series on compact nilmanifolds L. Corwin; F. P. Greenleaf — 1990 Colloquium Mathematicae
A unipotent group associated with certain linear groups F. P. Greenleaf; M. Moskowitz; L. P. Rothschild — 1980 Colloquium Mathematicae