@article{PPN234736674+dmdlog51, title = {\S\ 40. Lineare Transformation der Funktionen f(w), f1(w), f2(w)}, booktitle = {Lehrbuch der Algebra Bd. 3}, series = {GDML\_Books}, year = {1908}, pages = {132}, url = {http://dml.mathdoc.fr/item/PPN234736674+dmdlog51} }
(éd.). § 40. Lineare Transformation der Funktionen f(w), f1(w), f2(w), dans Lehrbuch der Algebra Bd. 3, GDML_Books, (1908), p. 132. http://gdmltest.u-ga.fr/item/PPN234736674+dmdlog51/