The diophantine equation (x2 - 1) (y2 - 1) = (z2 - 1)2: a footnote. Shoichi Hirose — 1987 Elemente der Mathematik
On a diophantine equation (x2 - 1) (y2 - 1) = (z2 - 1)2. Shoichi Hirose — 1987 Elemente der Mathematik