Extreme points in subalgebras of functions vanishing at infinity Robert Whitley — 1969 Studia Mathematica
Poincaré's conjecture and the distribution of digits in tables Edward Thorp; Robert Whitley — 1971 Compositio Mathematica
Partially bounded sets of infinite width. Robert Whitley; Edward Thorp — 1971 Journal für die reine und angewandte Mathematik