@article{GDZPPN002203480,
title = {On the Catalan equation over algebraic number fields.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {372},
year = {1986},
pages = {90-102},
zbl = {0577.10017},
url = {http://dml.mathdoc.fr/item/GDZPPN002203480}
}
Brindza, B.; Györy, K.; Tijdeman, R. On the Catalan equation over algebraic number fields.. Journal für die reine und angewandte Mathematik, Tome 372 (1986) pp. 90-102. http://gdmltest.u-ga.fr/item/GDZPPN002203480/