Pythagoreische Zahlen, großer Fermatscher Satz.
Arithmetik, Algebra, Analysis Bd. 1, GDML_Books, (1968), p. 50 / Harvested from
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     title = {Pythagoreische Zahlen, gro\ss er Fermatscher Satz.},
     booktitle = {Arithmetik, Algebra, Analysis Bd. 1},
     series = {GDML\_Books},
     year = {1968},
     pages = {50},
     url = {http://dml.mathdoc.fr/item/PPN376503645+dmdlog27}
}

 (éd.). Pythagoreische Zahlen, großer Fermatscher Satz., dans Arithmetik, Algebra, Analysis Bd. 1, GDML_Books,  (1968), p. 50. http://gdmltest.u-ga.fr/item/PPN376503645+dmdlog27/