@article{GDZPPN002075334, title = {Sur l'\'equation diophantienne (x2-1) (y2-1) = [(...)2 -1]2.}, journal = {Elemente der Mathematik}, volume = {18}, year = {1963}, pages = {132-133}, zbl = {0126.07301}, url = {http://dml.mathdoc.fr/item/GDZPPN002075334} }
Sierpinski, W.; Schinzel, A. Sur l'équation diophantienne (x2-1) (y2-1) = [(...)2 -1]2.. Elemente der Mathematik, Tome 18 (1963) pp. 132-133. http://gdmltest.u-ga.fr/item/GDZPPN002075334/