@article{JDM_1891__2_144389,
     author = {H. Schapira},
     title = {Bemerkung zur {Invariantentheorie} bin\"arer {Formen.}},
     journal = {Jahresbericht der Deutschen Mathematiker-Vereinigung},
     pages = {63--66},
     publisher = {mathdoc},
     volume = {2},
     year = {1891},
     zbl = {25.0186.01},
     url = {http://geodesic.mathdoc.fr/item/JDM_1891__2_144389/}
}