@article{MOMA_1957__61_177016,
     author = {R. Campbell},
     title = {Sur les polynomes orthogonaux dont les d\'eriv\'es sont orthogonaux.},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {143--146},
     publisher = {mathdoc},
     volume = {61},
     year = {1957},
     zbl = {0078.25603},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1957__61_177016/}
}