@article{NUMA_1969__13_131903,
     author = {D. BRAESS and H. WERNER},
     title = {\"Uber den {Zusammenhang} von {Interpolation} und diskreter {T} {-Approximation} mit rationalen {Funktionen.}},
     journal = {Numerische Mathematik},
     pages = {112--128},
     publisher = {mathdoc},
     volume = {13},
     year = {1969},
     zbl = {0185.40803},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1969__13_131903/}
}