@article{NUMA_1964__6_131628,
     author = {A. SCH\"ONHAGE},
     title = {Zur quadratischen {Konvergenz} des {Jacobi-Verfahrens.}},
     journal = {Numerische Mathematik},
     pages = {410--412},
     year = {1964},
     volume = {6},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1964__6_131628/}
}