@article{PPN517627655+dmdlog23, title = {84. Das Elastizit\"atsellipsoid.}, booktitle = {Das Weltsystem Theil 2}, series = {GDML\_Books}, year = {1896}, pages = {89}, url = {http://dml.mathdoc.fr/item/PPN517627655+dmdlog23} }
(éd.). 84. Das Elastizitätsellipsoid., dans Das Weltsystem Theil 2, GDML_Books, (1896), p. 89. http://gdmltest.u-ga.fr/item/PPN517627655+dmdlog23/