@article{MOMA_1969__73_177452,
     author = {Peter Lesky and Horst Sturm},
     title = {Fundamentalsysteme von {L\"osungen} f\"ur lineare {Differenzengleichungen} zweiter {Ordnung.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {72--80},
     publisher = {mathdoc},
     volume = {73},
     year = {1969},
     zbl = {0169.42503},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1969__73_177452/}
}