@article{1077378970,
author = {Owings, Jr., James C.},
title = {An elementary approach to Diophantine equations of the
second degree},
journal = {Duke Math. J.},
volume = {37},
number = {1},
year = {1970},
pages = { 261-273},
language = {en},
url = {http://dml.mathdoc.fr/item/1077378970}
}
Owings, Jr., James C. An elementary approach to Diophantine equations of the
second degree. Duke Math. J., Tome 37 (1970) no. 1, pp. 261-273. http://gdmltest.u-ga.fr/item/1077378970/