@article{GDZPPN002320517, title = {Fermatquadrupel.}, journal = {Mathematische Annalen}, volume = {255}, year = {1981}, pages = {51-62}, language = {de}, url = {http://dml.mathdoc.fr/item/GDZPPN002320517} }
Meyer, Werner; Neutsch, Wolfram. Fermatquadrupel.. Mathematische Annalen, Tome 255 (1981) pp. 51-62. http://gdmltest.u-ga.fr/item/GDZPPN002320517/