@article{MET_1970__15_175443,
     author = {S. Sagoroff},
     title = {Sch\"atzprobleme in der {\"Okonometrie} {(L\"udeke,} {D.)}},
     journal = {Metrika},
     pages = {187--188},
     publisher = {mathdoc},
     volume = {15},
     year = {1970},
     url = {http://geodesic.mathdoc.fr/item/MET_1970__15_175443/}
}