@article{JRAM_1974__267_251694,
     author = {S. Lang and H. Trotter},
     title = {Addendum to },
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {219--220},
     publisher = {mathdoc},
     volume = {267},
     year = {1974},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1974__267_251694/}
}