@article{MET_1971__17_175473,
     author = {K.-A. Sch\"affer},
     title = {Optimale {Schichtabgrenzung} bei logarithmischer {Normalverteilung}},
     journal = {Metrika},
     pages = {98--115},
     publisher = {mathdoc},
     volume = {17},
     year = {1971},
     zbl = {0227.62048},
     url = {http://geodesic.mathdoc.fr/item/MET_1971__17_175473/}
}