@article{JDM_1915__24_145438,
     author = {Heinrich Liebmann},
     title = {Zur {Erinnerung} an {Heinrich} {Burkhardt.}},
     journal = {Jahresbericht der Deutschen Mathematiker-Vereinigung},
     pages = {185--195},
     publisher = {mathdoc},
     volume = {24},
     year = {1915},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JDM_1915__24_145438/}
}