@article{10_4064_ap_24_3_295_300,
     author = {Thomas G. Hallam},
     title = {Asymptotic relationships between the solutions of two second order differential equations},
     journal = {Annales Polonici Mathematici},
     pages = {295--300},
     publisher = {mathdoc},
     volume = {24},
     number = {3},
     year = {1970},
     doi = {10.4064/ap-24-3-295-300},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-24-3-295-300/}
}