@incollection{MSMF_1974__37__53_0,
     author = {Draxl, P. K. J.},
     title = {Sommes de deux carr\'es qui ne sont pas sommes de trois carr\'es strictement positifs},
     booktitle = {Journ\'ees arithm\'etiques (Grenoble, 1973)},
     series = {M\'emoires de la Soci\'et\'e Math\'ematique de France},
     pages = {53--53},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {37},
     year = {1974},
     doi = {10.24033/msmf.126},
     mrnumber = {49 #7202},
     zbl = {0285.10034},
     url = {http://archive.numdam.org/articles/10.24033/msmf.126/}
}