@article{MOMA_1983__95_178127,
     author = {Wolfgang Hahn},
     title = {\"Uber {Differentialgleichungen} f\"ur {Orthogonalpolynome.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {269--274},
     publisher = {mathdoc},
     volume = {95},
     year = {1983},
     zbl = {0507.33004},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1983__95_178127/}
}