@article{AM2_1975__12_136492,
     author = {H. Brass},
     title = {Zur {Bestimmung} von {En} {[Xn+2m].} {(Short} {Communication).}},
     journal = {Aequationes mathematicae},
     pages = {112--112},
     publisher = {mathdoc},
     volume = {12},
     year = {1975},
     url = {http://geodesic.mathdoc.fr/item/AM2_1975__12_136492/}
}