@article{GDZPPN002207419,
title = {On the non-existence of abelian conditions governing solvability of the - 1 Pell equation.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {405},
year = {1990},
pages = {147-155},
zbl = {0689.12006},
url = {http://dml.mathdoc.fr/item/GDZPPN002207419}
}
Morton, Patrick. On the non-existence of abelian conditions governing solvability of the - 1 Pell equation.. Journal für die reine und angewandte Mathematik, Tome 405 (1990) pp. 147-155. http://gdmltest.u-ga.fr/item/GDZPPN002207419/