@article{ab82ef87cafe42d2b9f475ca9b665b56,
title = "Singular sturm liouville problems and existence of solutions to singular nonlinear boundary value problems",
keywords = "boundary value problems, existence, Singular problems",
author = "Donal O'Regan",
year = "1993",
month = apr,
doi = "10.1016/0362-546X(93)90067-3",
language = "English",
volume = "20",
pages = "767--779",
journal = "Nonlinear Analysis, Theory, Methods and Applications",
issn = "0362-546X",
publisher = "Elsevier Ltd",
number = "7",
}