The diophantine equation (x2 - 1) (y2 - 1) = (z2 - 1)2: a footnote.
Hirose, Shoichi
Elemente der Mathematik, Tome 42 (1987), p. 109 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1987-01-01
EUDML-ID : urn:eudml:doc:141409 
@article{GDZPPN002081741,
     title = {The diophantine equation (x2 - 1) (y2 - 1) =  (z2 - 1)2: a footnote.},
     journal = {Elemente der Mathematik},
     volume = {42},
     year = {1987},
     pages = {109-109},
     zbl = {0699.10027},
     url = {http://dml.mathdoc.fr/item/GDZPPN002081741}
}

Hirose, Shoichi. The diophantine equation (x2 - 1) (y2 - 1) =  (z2 - 1)2: a footnote.. Elemente der Mathematik, Tome 42 (1987) p. 109. http://gdmltest.u-ga.fr/item/GDZPPN002081741/