@article{10_4064_ap_25_2_175_178,
     author = {A. Lasota and James A. Yorke},
     title = {Oscillatory solutions of second order ordinary differential equations},
     journal = {Annales Polonici Mathematici},
     pages = {175--178},
     publisher = {mathdoc},
     volume = {25},
     number = {2},
     year = {1971},
     doi = {10.4064/ap-25-2-175-178},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-25-2-175-178/}
}