@article{AM2_1971__7_136264,
     author = {R.D. RIESS and L.W. JOHNSON},
     title = {Estimates for {En} (xn+2m) {(Short} {Communication)}},
     journal = {Aequationes mathematicae},
     pages = {323--323},
     publisher = {mathdoc},
     volume = {7},
     year = {1971},
     url = {http://geodesic.mathdoc.fr/item/AM2_1971__7_136264/}
}