@article {grace2013oscillation,
	title = {On the oscillation of higher order dynamic equations},
	journal = {Journal of Advanced Research},
	volume = {4},
	number = {2},
	year = {2013},
	note = {n/a},
	pages = {201{\textendash}204},
	publisher = {Elsevier},
	abstract = {n/a},
	author = {Said R. Grace}
}
