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@article{ELMA_1969__24_140951, author = {M.E. Blanpain}, title = {Sur l'\'equation diophantienne (x2-1)2 + (y2-1)2 = (z2-1)2.}, journal = {Elemente der Mathematik}, pages = {134--135}, publisher = {mathdoc}, volume = {24}, year = {1969}, zbl = {0188.34502}, url = {http://geodesic.mathdoc.fr/item/ELMA_1969__24_140951/} }
M.E. Blanpain. Sur l'équation diophantienne (x2-1)2 + (y2-1)2 = (z2-1)2.. Elemente der Mathematik, Tome 24 (1969), pp. 134-135. http://geodesic.mathdoc.fr/item/ELMA_1969__24_140951/