@article{10_14708_cm_v14i1_5698,
     author = {Z. Polniakowski},
     title = {On the differential equation \(y^(n)-a(x)y = 0\)},
     journal = {Commentationes Mathematicae},
     pages = { 151--172},
     publisher = {mathdoc},
     volume = {14},
     number = {1},
     year = {1970},
     doi = {10.14708/cm.v14i1.5698},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v14i1.5698/}
}