@article{10_4153_CJM_1967_050_5,
     author = {Brauer, Fred},
     title = {Green's {Functions} for {Singular} {Ordinary} {Differential} {Operators}},
     journal = {Canadian journal of mathematics},
     pages = {571--582},
     year = {1967},
     volume = {19},
     number = {1},
     doi = {10.4153/CJM-1967-050-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1967-050-5/}
}