@book{PPN585383391, title = {Theorie der Transformationsgruppen Abschn. 1}, series = {GDML\_Books}, publisher = {Teubner}, address = {Leipzig}, year = {1888}, language = {de}, url = {http://dml.mathdoc.fr/item/PPN585383391} }
Lie, Sophus. Theorie der Transformationsgruppen Abschn. 1. GDML_Books (1888), http://gdmltest.u-ga.fr/item/PPN585383391/