On a diophantine equation (x2 - 1) (y2 - 1) = (z2 - 1)2.
Elemente der Mathematik, Tome 42 (1987) no. 4, pp. 1-3
@article{ELMA_1987__42_4_141393,
author = {Shoichi Hirose},
title = {On a diophantine equation (x2 - 1) (y2 - 1) = (z2 - 1)2.},
journal = {Elemente der Mathematik},
pages = {1--3},
year = {1987},
volume = {42},
number = {4},
zbl = {0699.10027},
url = {http://geodesic.mathdoc.fr/item/ELMA_1987__42_4_141393/}
}
Shoichi Hirose. On a diophantine equation (x2 - 1) (y2 - 1) = (z2 - 1)2.. Elemente der Mathematik, Tome 42 (1987) no. 4, pp. 1-3. http://geodesic.mathdoc.fr/item/ELMA_1987__42_4_141393/