@article{10_4064_ap_28_3_335_339,
     author = {D. Willett},
     title = {On the oscillation of ty" + p(t)y = 0 with ʃ p almost periodic},
     journal = {Annales Polonici Mathematici},
     pages = {335--339},
     publisher = {mathdoc},
     volume = {28},
     number = {3},
     year = {1973},
     doi = {10.4064/ap-28-3-335-339},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-28-3-335-339/}
}