J. A. Ewell

发表

A Simple Proof of Fermat's Two-Square Theorem

J. A. Ewell, 1983 .

Some combinatorial identities and arithmetical applications

J. A. Ewell, 1985 .

On The Determination of Sets by Sets of Sums of Fixed Order

J. A. Ewell, 1968, Canadian Journal of Mathematics - Journal Canadien de Mathematiques.

An Easy Proof of the Triple-Product Identity

John A. Ewell, J. A. Ewell, 1981 .

A Simple Proof of Fermats Two-Square Theorem

J. A. Ewell, 1983 .

Recurrences for the sum of divisors

J. A. Ewell, 1977 .

Recursive determination of the sum-of-divisors function

J. A. Ewell, 1979 .