@article{MS2_1960__8_165730,
     author = {Harald Bergstr\"om},
     title = {Some {Remarks} on an {Algebraic} {Identity.}},
     journal = {Mathematica Scandinavica},
     pages = {39--42},
     year = {1960},
     volume = {8},
     zbl = {0095.33103},
     url = {http://geodesic.mathdoc.fr/item/MS2_1960__8_165730/}
}