@article{ARM_1981__17_3_a6,
     author = {Pavl{\'\i}kov\'a, Elena},
     title = {Higher monotonicity properties of certain {Sturm-Liouville} functions},
     journal = {Archivum mathematicum},
     pages = {159--167},
     publisher = {mathdoc},
     volume = {17},
     number = {3},
     year = {1981},
     mrnumber = {672321},
     zbl = {0523.34007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1981__17_3_a6/}
}