1996-1997/78/2

Euler's concordant forms

The number of irreducible factors of a polynomial, II

On zero-free subset sums

Remarks on a question of Skolem about the integer solutions of x₁x₂ - x₃x₄ = 1

Effective Nullstellensatz and geometric degree for zero-dimensional ideals

The equation x+y=1 in finitely generated groups