@article{MZ_1938__43_168756,
     author = {Dr. W., Berlin-Spandau, W\"orthe Hahn},
     title = {\"Uber h\"ohere {Ableitungen} von {Orthogonalpolynomen}},
     journal = {Mathematische Zeitschrift},
     pages = {101--109},
     publisher = {mathdoc},
     volume = {43},
     year = {1938},
     url = {http://geodesic.mathdoc.fr/item/MZ_1938__43_168756/}
}