@article{NUMA_1959__1_131415,
     author = {E. STIEFEL},
     title = {\"Uber diskrete und lineare {Tchebycheff-Approximationen.}},
     journal = {Numerische Mathematik},
     pages = {1--28},
     publisher = {mathdoc},
     volume = {1},
     year = {1959},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1959__1_131415/}
}