@article{MASLO_1991__41_1_a12,
     author = {Do\v{s}l\'y, Ond\v{r}ej},
     title = {On some problems in the oscillation theory of self-adjoint linear differential equations},
     journal = {Mathematica slovaca},
     pages = {101--111},
     publisher = {mathdoc},
     volume = {41},
     number = {1},
     year = {1991},
     mrnumber = {1094989},
     zbl = {0753.34018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1991__41_1_a12/}
}