@article{bwmeta1.element.bwnjournal-article-aav56i1p1bwm,
author = {Richert, Norman},
title = {A generalization of a theorem of Euler for regular chains of complex quadratic irrationalities},
journal = {Acta Arithmetica},
volume = {55},
year = {1990},
pages = {1-18},
zbl = {0658.10038},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-aav56i1p1bwm}
}
Richert, Norman. A generalization of a theorem of Euler for regular chains of complex quadratic irrationalities. Acta Arithmetica, Tome 55 (1990) pp. 1-18. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-aav56i1p1bwm/