@article {131906,
	title = {Basic Sturm{\textendash}Liouville problems},
	journal = {Journal of Physics A: Mathematical and General},
	volume = {39},
	year = {2006},
	note = {n/a},
	pages = {8747},
	publisher = {IOP Publishing},
	abstract = {n/a},
	isbn = {0305-4470},
	author = {M. H. Annaby and Mansour, ZS}
}
