@article{PPN234736674+dmdlog187,
title = {\S\ 153. Die Funktion t(u)},
booktitle = {Lehrbuch der Algebra Bd. 3},
series = {GDML\_Books},
year = {1908},
pages = {571},
url = {http://dml.mathdoc.fr/item/PPN234736674+dmdlog187}
}
(éd.). § 153. Die Funktion t(u), dans Lehrbuch der Algebra Bd. 3, GDML_Books, (1908), p. 571. http://gdmltest.u-ga.fr/item/PPN234736674+dmdlog187/