@article{NUMA_1970__14_131940,
     author = {K.H. HOFFMANN},
     title = {Zur {Theorie} der nichtlinearen {Tschebyscheff-Approximation} mit {Nebenbedingungen.}},
     journal = {Numerische Mathematik},
     pages = {24--41},
     publisher = {mathdoc},
     volume = {14},
     year = {1970},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1970__14_131940/}
}