@book{PPN592520293, title = {Vorlesung gehalten w\"ahrend des Sommersemesters 1892 Bd. 2}, series = {GDML\_Books}, publisher = {[s.n.]}, year = {1892}, language = {de}, url = {http://dml.mathdoc.fr/item/PPN592520293} }
Klein, Felix. Vorlesung gehalten während des Sommersemesters 1892 Bd. 2. GDML_Books (1892), http://gdmltest.u-ga.fr/item/PPN592520293/