@article{MZ_1965__88_170397,
     author = {Bruno Brosowski},
     title = {\"Uber {Tschebyscheffsche} {Approximationen} mit linearen {Nebenbedingungen.}},
     journal = {Mathematische Zeitschrift},
     pages = {105--128},
     publisher = {mathdoc},
     volume = {88},
     year = {1965},
     zbl = {0129.04801},
     url = {http://geodesic.mathdoc.fr/item/MZ_1965__88_170397/}
}