%0 Journal Article
%A Umberto Zannier
%T Remarks on a question of Skolem about the integer solutions of x₁x₂ - x₃x₄ = 1
%J Acta Arithmetica
%D 1996
%P 153-164
%V 78
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/aa-78-2-153-164/
%R 10.4064/aa-78-2-153-164
%G en
%F 10_4064_aa_78_2_153_164