@article{JRAM_1969__238_183520,
     author = {Harald Kuhn},
     title = {Interpolation vorgeschriebener {Extremwerte.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {24--31},
     publisher = {mathdoc},
     volume = {238},
     year = {1969},
     zbl = {0176.35202},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1969__238_183520/}
}