@article{PPN266833020_0072+dmdlog17,
title = {An Application of Pr\"ufer's Method to a Singular Boundary Value Problem.},
journal = {Mathematische Zeitschrift},
volume = {71},
year = {1959},
pages = {95-106},
zbl = {0085.30302},
url = {http://dml.mathdoc.fr/item/PPN266833020_0072+dmdlog17}
}
Hille, Einar. An Application of Prüfer's Method to a Singular Boundary Value Problem.. Mathematische Zeitschrift, Tome 71 (1959) pp. 95-106. http://gdmltest.u-ga.fr/item/PPN266833020_0072+dmdlog17/