@article{NUMA_1991__60_4_133598,
     author = {Vjeran Hari},
     title = {On sharp quadratic convergence bounds for the serial {Jacobi} methods.},
     journal = {Numerische Mathematik},
     pages = {375--406},
     publisher = {mathdoc},
     volume = {60},
     number = {4},
     year = {1991},
     zbl = {0743.65036},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1991__60_4_133598/}
}