@article{MS2_1968__23_166062,
     author = {Lars Inge Hedberg},
     title = {Weighted {Mean} {Approximation} in {Carath\'eodory} {Regions.}},
     journal = {Mathematica Scandinavica},
     pages = {113--122},
     publisher = {mathdoc},
     volume = {23},
     year = {1968},
     zbl = {0182.40104},
     url = {http://geodesic.mathdoc.fr/item/MS2_1968__23_166062/}
}