@article{MZ_1962__78_170041,
     author = {Peter Lesky},
     title = {\"Uber {Polynomsysteme,} die {Sturm-Liouvilleschen} {Differenzengleichungen.}},
     journal = {Mathematische Zeitschrift},
     pages = {439--445},
     publisher = {mathdoc},
     volume = {78},
     year = {1962},
     zbl = {0107.05403},
     url = {http://geodesic.mathdoc.fr/item/MZ_1962__78_170041/}
}