@article{NUMA_1963__5_131553,
     author = {H. RUTISHAUSER},
     title = {Ausdehnung des {Rombergschen} {Prinzips.}},
     journal = {Numerische Mathematik},
     pages = {48--54},
     publisher = {mathdoc},
     volume = {5},
     year = {1963},
     zbl = {0111.13001},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1963__5_131553/}
}