@article{10_4153_CJM_1977_051_7,
     author = {Butler, G. J.},
     title = {The {Existence} of {Continuable} {Solutions} of a {Second} {Order} {Differential} {Equation}},
     journal = {Canadian journal of mathematics},
     pages = {472--479},
     year = {1977},
     volume = {29},
     number = {3},
     doi = {10.4153/CJM-1977-051-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1977-051-7/}
}