N. Greenleaf

Foundations of the theory of Klein surfaces

N. L. Alling, N. Greenleaf, 1971 .

On Fermat's Equation in

N. Greenleaf, 1969 .

IRREDUCIBLE SUBVARIETIES AND RATIONAL POINTS.

N. Greenleaf, 1965 .

Foundations of the theory of Klein surfaces

N. L. Alling, N. Greenleaf, 1971 .