@article{MZ_1983__183_173323,
     author = {Ilpo Laine and S.B. Bank and G. Frank},
     title = {\"Uber die {Nullstellen} von {L\"osungen} linearer {Differentialgleichungen.}},
     journal = {Mathematische Zeitschrift},
     pages = {355--364},
     publisher = {mathdoc},
     volume = {183},
     year = {1983},
     zbl = {0494.34005},
     url = {http://geodesic.mathdoc.fr/item/MZ_1983__183_173323/}
}