@article{MAN_1886__28_157241,
     author = {Heymann},
     title = {Theorie der trinomischen {Gleichungen}},
     journal = {Mathematische Annalen},
     pages = {61--80},
     publisher = {mathdoc},
     volume = {28},
     year = {1886},
     zbl = {18.0068.01},
     url = {http://geodesic.mathdoc.fr/item/MAN_1886__28_157241/}
}