@misc{MZ_1924__21_167805,
     title = {Kowalewski, {G.,} {\"Uber} die neuen {Methoden} zur {Berechnung} von {Differential-invarianten}},
     journal = {Mathematische Zeitschrift},
     pages = {39--44},
     year = {1924},
     volume = {21},
     zbl = {50.0292.02},
     url = {http://geodesic.mathdoc.fr/item/MZ_1924__21_167805/}
}