@article{NUMA_1972__20_132202,
     author = {Takao Tsuda},
     title = {Numerical {Iteration} of {Functions} of {Very} {Many} {Variables.}},
     journal = {Numerische Mathematik},
     pages = {377--391},
     publisher = {mathdoc},
     volume = {20},
     year = {1972},
     zbl = {0244.65018},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1972__20_132202/}
}